<p>Note:<br><br>Only the bottom of the hole part is magnetic, the hexagonal tail is NOT magnetic!!<br><br>The magnetic is not strong enough to firmly hold thescrew<br><br> Specifications:<br><br> Shank: 1/4" (6.35mm) hex shank<br><br> Length: 60mm, 100mm, 150mm<br><br> Color: black and silver<br><br> material: stainless steel<br><br> Quantity: 3pcs<br><br> Properties: interface has a locking mechanism, built-in magnetic, automatically pop up batch head.<br><br> Contents:<br><br> 3 x Magnetic Screwdriver Bit Holder<br><br></p>Suitable for drill, screwdriver, batch head and others to transfer. Extend all kinds of screwdriver bits, screwdriver head conversion uses. The built-in quick and easy magnetic release will greatly improve work efficiency. Strong magnetism, limits the position of the screwdriver and adjustable. If you have any questions please contact us promptly