<p>Magnetic Insert Bit Holder. Ideal for use with all 1/4" hexagon screwdriver bits, drills and taps. Improved version with locking mechanism.</p><br/><h3>Product Features</h3><br/><ul><br/> <li>strong permanent magnet</li><br/> <li>locking mechanism for improved security</li><br/></ul><br/><h4>Technical Data</h4><br/><ul><br/> <li>Drive end: 1/4" hexagon</li><br/> <li>Female hex: 1/4"</li><br/> <li>Length: 60 mm</li><br/> <li>Magnetic: Yes</li><br/> <li>Material: Stainless Steel, Chrome-Vanadium Alloy Steel</li><br/></ul>