Made of Chrome vanadium steel, high hardness and anti-rust, giving you long lasting and maximum durability.
The adjustable depth screwdriver bit holder can set screws in straight and to a predetermined depth, allowing for accurate working with drywall screws.
Strong magnetic tip can hold the bits and convenient pick-up and retention of screws, work for 1/4x1” Phillips Bits
Versatile Use Use for deck building, wood framing, installing plywood subfloor, building crates, etc.
1/4" hex shank can be easily fit into power driver, drill and handheld screwdriver. Packaged included 2pcs Screw Driver Bit Holder with 2pcs PH2 Drywall Insert Bit