Oruite Tools Adjustable Screw Depth Bit Holder with Magnetic Tip,quick Change Magnetic Bit Holder Premium-grade power & hand tool accessory designed to help you work more efficiently Power driver bit holder has cam mechanism that locks quick-change bits in place Plus strong magnet for holding non-quick change bits; excellent quality Stainless steel holder, hardened tool steel shank and quick-change collar Oruite Tools Warranty