4. Accepts most electric screwdrivers, hand screwdrivers and drills. Wide range of uses: Magnetic screwdriver bit holders are suitable for extensive conversion of various drill bits and screwdriver bits.Also used for deck construction, wooden windows, plywood bottom laying, box construction.Specification:Material: chrome vanadium steelSize: 60mmHex shank: 6.35 mm (1/4")Color: redSpecial function: 1. Powerful magnetic tip holds drill bit, easily picks up and holds 1/4" x 1" Phillips drill bit screws 2. To use the drill, it must be placed on the drill stand.To remove, the black release ring must be removed before removing the drill. Package includes: 4 x Magnetic Bit Holders 4 x PH2 Bits Notes: This 60mm magnetic drill holder only accepts single head dispensers,not double head distributors. High Quality Material: Our screwdriver bit adapters are made of chrome vanadium steel for high hardness, rust resistance, long life and durability.Adjustable: Adjustable depth screwdriver bit holder secures thescrews directly to a predetermined depth, allowing precise use of drywall screws.Strong Magnetism: The drill holder is magnetically strong for quick connection or disconnection and ensures that it stays in place while driving.Compatible with: Quick Hex Shank1/4 and hex socket 1/