12-inch magnetic drill bit extension set with 1/4 hex shank, ball bearing auto lock, rotating aluminum guide sleeve, fits cordless drill drivers and pneumatic screwdrivers. Heavy duty industrial Cr-V steel, CE certified. <ul class="seo-sellpoints--sellerPoint--RcmFO_y"> <li><pre><strong>12-inch magnetic drill bit extension for heavy-duty use</strong> This <strong>12-inch long</strong> extension bar delivers extended reach for deep drilling and tight-space applications. Ideal for <strong>wood drilling</strong> and <strong>drywall cabinet installation</strong>, it ensures precision and control.</pre></li> <li><pre><strong>Quick-release design with ball bearing auto lock</strong> Equipped with a <strong>ball bearing auto lock</strong> mechanism, this extender provides secure, tool-free attachment. The <strong>quick release</strong> feature allows fast bit changes, improving workflow efficiency.</pre></li> <li><pre><strong>Rotating aluminum guide sleeve for smooth operation</strong> The <strong>rotating aluminum guide sleeve</strong> reduces friction and wear during use. It ensures smooth rotation and alignment, especially when working with <strong>cordless drill drivers</strong> and <strong>pneumatic air screwdrivers</strong>.</pre></li> <li><pre><strong>Compatible with standard 1/4 shank tools</strong> Designed to fit all <strong>standard 1/4 shank tools</strong>, this extender is universally compatible with most power drills and drivers. It works seamlessly with <strong>Hands DIY</strong> and other brand tools.</pre></li> <li><pre><strong>Industrial Cr-V steel for maximum durability</strong> Made from <strong>high carbon steel</strong> and <strong>industrial Cr-V steel</strong>, this extension bar is built for <strong>heavy-duty contractor grade</strong> performance. It resists bending and wear under tough conditions.</pre></li> <li style="display: none;"><pre><strong>4-piece set for versatile tool handling</strong> The <strong>4-piece set</strong> includes multiple extension bars for different tasks. It supports various <strong>T-handle driver adaptors</strong> and <strong>impact driver extender bars</strong>, increasing tool versatility.</pre></li> <li style="display: none;"><pre><strong>Perfect for automotive and woodworking projects</strong> Suitable for <strong>automotive engine repair</strong> and <strong>woodworking</strong>, this extender excels in demanding environments. Its <strong>CE-certified</strong> construction ensures reliable performance across multiple applications.</pre></li> </ul> <div id="product-description" data-spm="1000023" class="description--product-description--Mjtql28" data-pl="product-description"><div></div></div> <div class="detailmodule_text"> <p style="font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-title">Specification :</p> <p style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-content">Product Name : Magnetic Drill Bit Extension Set<br><br>Material : Steel<br><br>Size : 60 mm / 2.4 in , 100 mm / 4 in , 150 mm / 6 in , 300 mm / 12 in<br><br>Color : Black + Red</p> </div><div class="detailmodule_text"><p style="font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px" class="detail-desc-decorate-content">【Premium High Strength Steel】This quick release extension adapter is crafted from industrial grade high strength steel , offering exceptional hardness and enduring to use . This drill bit extension is compatible with impact drivers and various bit sets<br><br>【Magnet and Ball Bearing Lock】The magnetic drill screwdriver bit holder extender has built in magnet , combined with a ball bearing locking mechanism to securely hold the bit in place , making changes quick and easy while ensuring precision and stabili