<h3>About this item</h3><ul> <li>【Durable CR-V Steel】Tired of flimsy, rusty extensions? Our drill bit extension set uses CR-V Steel with anti-corrosion coating, holding up for weekly DIY/light pro work. More reliable than cheap aluminum, no frequent replacements</li> <li>【Quick Release Saves Time】Fumbling with tight holders? Pull the collar to swap bits in seconds—no extra tools. This 1/4 inch hex extension works with most power drills/impact drivers, cutting bit-changing time</li> <li>【4 Sizes Cover All Scenarios】Struggling to reach tight corners or deep holes? This drill bit extension set includes 2”, 4”, 6”, 12” sizes: 2” for narrow spaces, 6”-12” for deep projects, 4” for everyday jobs. No need to buy multiple single extensions—one set handles it all</li> <li>【Wide Compatibility with Tools】Worried about mismatches? This bit extension for impact driver works with most power drills (DeWalt, Milwaukee, etc.), impact drivers, and manual screwdrivers. It fits all standard 1/4 inch hex shank bits, so you use it with tools you own</li> <li>【Practical Storage Design】Tired of losing small extensions? Each long drill bit extension has a slim profile that fits most toolboxes/bags. Group with your existing bit sets to stay organized, so you have the right size</li> </ul><h3>Overview</h3><ul> <li> <strong>Brand:</strong> RVIEVJP</li> <li> <strong>Material:</strong> Chrome Vanadium Steel (CR-V Steel)</li> <li> <strong>Finish Type:</strong> Unfinished</li> <li> <strong>Number of Pieces:</strong> 4</li> <li> <strong>Drive System:</strong> Hex</li> </ul>