(function () { const ul = document.getElementById(‘product-desc-list’); if (!ul) return; function pruneAndLayout(){ // Remove empty/unspecified rows instead of hiding them const items = Array.from(ul.querySelectorAll(‘li’)); let kept = []; items.forEach(li => { const label = li.querySelector(‘b’); const labelText = label ? label.textContent : ”; const valueOnly = label ? li.textContent.replace(labelText, ”).trim() : li.textContent.trim(); const emptyish = valueOnly === ” || valueOnly === ” || /^(Not Specified|Unspecified|Not Applicable|N/A|NA)$/i.test(valueOnly); if (emptyish) li.remove(); else kept.push(li); }); // Re-mark visible items as left/right cells so borders line up kept = Array.from(ul.querySelectorAll(‘li’)); // in case we removed some kept.forEach((li, i) => { li.classList.toggle(‘_left’, i % 2 === 0); li.classList.toggle(‘_right’, i % 2 === 1); }); // If odd count, add a blank cell so the last row closes cleanly if (kept.length % 2 === 1) { const filler = document.createElement(‘li’); filler.innerHTML = ”; ul.appendChild(filler); filler.classList.add(‘_right’); } // Show after were done so theres no flash ul.style.visibility = ‘visible’; } // Run immediately (before most theme scripts finish) pruneAndLayout(); // Guard: if the theme reflows/rewrites after our run, fix it again const mo = new MutationObserver(() => pruneAndLayout()); mo.observe(ul, { childList: true, subtree: false, attributes: false });})(); The Callaway Big Bertha B21 Driver is a high-performance used golf club that combines advanced technology with affordability. This club is designed with Artificial Intelligence (AI) to optimize speed, making it perfect for golfers seeking to improve their game. Its unique Flash Face SS21 technology ensures fast ball speeds across a more expansive area, while the Jailbreak bars increase stiffness and promote even more speed. The Big Bertha B21 Driver is particularly beneficial for golfers who struggle with slice, as its advanced design promotes straighter, longer drives. This affordable, high-performance used golf club is a smart investment for any golfer looking to enhance their performance on the course.
This driver is in average condition for its age. It has been well played by its former owner, and shows cosmetic wear including scratches, nicks, and paint chips on the face, sole, and crown.
Our Recommendation
Our Next Round Golf club experts recommend the Callaway Big Bertha B21 Driver for golfers who want to hit longer and straighter drives. With advanced technology like the A.I. designed Flash Face and Jailbreak bars, this driver helps reduce slices and hooks while increasing ball speed. Improve your game with the Big Bertha B21.
About Callaway
Callaway is one of golf’s leading brands, known for innovation across drivers, irons, wedges, balls, and more. Technologies like Jailbreak and AI-designed faces power their performance, making Callaway gear a trusted option for players at every skill level.
Playing It Forward
By choosing this premium used driver, 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. Youre joining a passionate community dedicated to sustainability, continuous improvement, and the shared joy of discovering new potential on the course.
Next Round Guarantee
With over 18,000 five star reviews and a 30 day money back guarantee, you can trust Next Round Golf for high-quality used Callaway golf clubs.
Stock # S2025-11-05-588515 Master SKU # 1000916
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