{"product_id":"used-project-x-denali-black-driver-shaft-extra-stiff-flex-graphite-43-5-in-callaway-opti-fit-adapter","title":"Used Project X Denali Black Driver Shaft Extra Stiff Flex Graphite - 43.5 in - Callaway Opti-Fit Adapter","description":"\u003cstyle\u003e\n\/* Force a real 2-column grid on THIS list only, overriding the theme *\/\n#product-desc-list{\n  display:grid !important;\n  grid-template-columns:1fr 1fr;\n  gap:0;\n  list-style:none;\n  margin:0 0 16px 0;\n  padding:0;\n  column-count:initial !important; \/* kill multi-column layout *\/\n}\n#product-desc-list \u003e li{\n  margin:0 !important;\n  padding:6px !important;\n  border-bottom:1px solid #d9d9d9 !important;\n  float:none !important;          \/* kill float layouts *\/\n  width:auto !important;          \/* kill width:50% rules *\/\n}\n#product-desc-list \u003e li._left { border-right:1px solid #d9d9d9 !important; }\n\u003c\/style\u003e\n\n\u003cul id=\"product-desc-list\" style=\"visibility:hidden\"\u003e\n    \u003cli\u003e\n\u003cb\u003eShaft Condition:\u003c\/b\u003e Mint\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eBrand:\u003c\/b\u003e Project X\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eModel:\u003c\/b\u003e Denali Black Driver\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eClub Type:\u003c\/b\u003e Driver\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eShaft Flex:\u003c\/b\u003e Extra Stiff\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eShaft Material:\u003c\/b\u003e Graphite\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eShaft Weight:\u003c\/b\u003e 73g\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eTip Diameter:\u003c\/b\u003e .335\u003c\/li\u003e\n\u003cli\u003e\n  \u003cb\u003eAdapter Type:\u003c\/b\u003e \n  \u003ca href=\"https:\/\/s3.us-east-1.amazonaws.com\/nrg.productimages\/Shaft+Adapter+Types.png\" target=\"_blank\" style=\"color: #ff5000; text-decoration: underline; cursor: pointer;\"\u003e\n    Callaway Opti-Fit Adapter\n  \u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 43.5 in\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eGrip Condition:\u003c\/b\u003e New\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cscript\u003e\n(function () {\n  const ul = document.getElementById('product-desc-list');\n  if (!ul) return;\n\n  function pruneAndLayout(){\n    \/\/ Remove empty\/unspecified rows instead of hiding them\n    const items = Array.from(ul.querySelectorAll('li'));\n    let kept = [];\n    items.forEach(li =\u003e {\n      const label = li.querySelector('b');\n      const labelText = label ? label.textContent : '';\n      const valueOnly = label\n        ? li.textContent.replace(labelText, '').trim()\n        : li.textContent.trim();\n\n      const emptyish =\n        valueOnly === '' ||\n        valueOnly === '°' ||\n        \/^(Not Specified|Unspecified|Not Applicable|N\\\/A|NA)$\/i.test(valueOnly);\n\n      if (emptyish) li.remove();\n      else kept.push(li);\n    });\n\n    \/\/ Re-mark visible items as left\/right cells so borders line up\n    kept = Array.from(ul.querySelectorAll('li')); \/\/ in case we removed some\n    kept.forEach((li, i) =\u003e {\n      li.classList.toggle('_left',  i % 2 === 0);\n      li.classList.toggle('_right', i % 2 === 1);\n    });\n\n    \/\/ If odd count, add a blank cell so the last row closes cleanly\n    if (kept.length % 2 === 1) {\n      const filler = document.createElement('li');\n      filler.innerHTML = '';\n      ul.appendChild(filler);\n      filler.classList.add('_right');\n    }\n\n    \/\/ Show after we’re done so there’s no flash\n    ul.style.visibility = 'visible';\n  }\n\n  \/\/ Run immediately (before most theme scripts finish)\n  pruneAndLayout();\n\n  \/\/ Guard: if the theme reflows\/rewrites after our run, fix it again\n  const mo = new MutationObserver(() =\u003e pruneAndLayout());\n  mo.observe(ul, { childList: true, subtree: false, attributes: false });\n})();\n\u003c\/script\u003e\n\n\n\n\u003cdiv class=\"nr-desc\"\u003e\n  \u003cdiv class=\"section hide-if-empty\" data-val=\"The Project X Denali Black Driver Shaft delivers low launch and low spin with a stable butt and straight-taper midsection that transfers energy smoothly for a piercing, wind-cheating flight. Offered in 60\/70\/80g and 6.0-TX flexes, it blends tour-level stability with a fluid feel for players who swing with a moderate tempo but want tight dispersion and speed.\"\u003e\n    The Project X Denali Black Driver Shaft delivers low launch and low spin with a stable butt and straight-taper midsection that transfers energy smoothly for a piercing, wind-cheating flight. Offered in 60\/70\/80g and 6.0-TX flexes, it blends tour-level stability with a fluid feel for players who swing with a moderate tempo but want tight dispersion and speed.\u003cbr\u003e\u003cbr\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section hide-if-empty\" data-val=\"This shaft is in mint condition, showing no signs of wear or damage. It has been well-maintained and is ready for immediate use.\"\u003e\n    This shaft is in mint condition, showing no signs of wear or damage. It has been well-maintained and is ready for immediate use.\u003cbr\u003e\u003cbr\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv id=\"pured-shaft-section\" class=\"section\" style=\"display:none;\"\u003e\n    \u003cb\u003e\u003cu\u003ePured Shaft Upgrade\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003e\n    \u003cspan id=\"pured-shaft-text\"\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section hide-if-empty\" data-val=\"Our Next Round Golf club experts recommend the Project X Denali Black Driver Shaft for golfers seeking a low-launch, low-spin profile with a smooth yet stable feel; we like its firm butt section and straight taper mid-section, which work together to provide excellent stability through the swing while maintaining a fluid energy transfer for consistent ball speed and tighter dispersion. Designed as the most aggressive profile in the Denali lineup, it delivers a penetrating ball flight ideal for faster swing speeds and players looking to reduce spin and control trajectory, making it a strong option for those who want tour-level performance without an overly harsh feel.\"\u003e\n    \u003cb\u003e\u003cu\u003eOur Recommendation\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003e\n    Our Next Round Golf club experts recommend the Project X Denali Black Driver Shaft for golfers seeking a low-launch, low-spin profile with a smooth yet stable feel; we like its firm butt section and straight taper mid-section, which work together to provide excellent stability through the swing while maintaining a fluid energy transfer for consistent ball speed and tighter dispersion. Designed as the most aggressive profile in the Denali lineup, it delivers a penetrating ball flight ideal for faster swing speeds and players looking to reduce spin and control trajectory, making it a strong option for those who want tour-level performance without an overly harsh feel.\u003cbr\u003e\u003cbr\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section hide-if-empty\" data-val=\"Project X shafts are engineered for precision and control, especially in irons and hybrids. Known for low launch and tight dispersion, Project X is a staple in tour bags and custom fittings.\"\u003e\n    \u003cb\u003e\u003cu\u003eAbout Project X\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003e\n    Project X shafts are engineered for precision and control, especially in irons and hybrids. Known for low launch and tight dispersion, Project X is a staple in tour bags and custom fittings.\u003cbr\u003e\u003cbr\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cb\u003e\u003cu\u003ePlaying It Forward\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003e\n    By choosing this premium used shaft, you're not only investing in your own game but also contributing to Next Round Golf's mission of making golf more affordable and accessible for enthusiasts at every skill level. You’re joining a passionate community dedicated to sustainability, continuous improvement, and the shared joy of discovering new potential on the course.\u003cbr\u003e\u003cbr\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003e\n    \u003cb\u003e\u003cu\u003eNext Round Guarantee\u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003e\n    With over 18,000 five star reviews and a 30 day money back guarantee, you can trust Next Round Golf for high-quality used Project X golf shafts.\u003cbr\u003e\u003cbr\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"section\"\u003eStock # S2026-04-15-496550\u003c\/div\u003e\n  \u003cdiv class=\"section\"\u003eMaster SKU # 1021143\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cscript\u003e\n(function () {\n  \/\/ Read the template variable\n  const pured = \"No\";\n\n  \/\/ Find the new section + text holder\n  const section = document.getElementById('pured-shaft-section');\n  const textEl = document.getElementById('pured-shaft-text');\n  if (!section || !textEl) return;\n\n  \/\/ Clean it up (handles empty, extra spaces, etc.)\n  const value = (pured || \"\").trim();\n\n  \/\/ Show only for the allowed \"Yes\" values\n  const shouldShow = (value === \"Yes\" || value === \"Yes + Premium Shaft\");\n\n  if (shouldShow) {\n    textEl.textContent =\n      \"This shaft has been pured through computerized analysis to identify its most stable, consistent bending plane, optimizing performance, increasing distance, tightening dispersion, and reducing natural structural irregularities.\";\n    section.style.display = \"\";\n  } else {\n    \/\/ Keep fully hidden so no text and no \u003cbr \/\u003e spacing appears\n    section.style.display = \"none\";\n  }\n})();\n\u003c\/script\u003e","brand":"Project X","offers":[{"title":"Default Title","offer_id":52365989970196,"sku":"S2026-04-15-496550","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/0165\/6746\/files\/5e0f04d4-dc54-5f4f-a546-72b72d79ea55.jpg?v=1776292234","url":"https:\/\/nextroundgolf.com\/products\/used-project-x-denali-black-driver-shaft-extra-stiff-flex-graphite-43-5-in-callaway-opti-fit-adapter","provider":"Next Round","version":"1.0","type":"link"}