[Durable] The hex handle screwdriver bit holder is made of high-hardness high-speed steel, rust-proof and corrosion-resistant, sturdy and durable. The magnetic tip effectively holds the screw straight. [Adjustable] Our screwdriver bit holder is height-adjustable. The magnetic screwdriver bit can hold the screw at a predetermined depth, allowing precise use of drywall screws. [Function] The powerful magnetic head can fix the drill bit and make it easier to pick and place screws. It fits a 1/4" Phillips drill bit. It drives drywall screws quickly and accurately. [Specifications] The 1/4" hex handle can easily fit electric screwdrivers, drill bits and hand screwdrivers. Package includes: 2 screwdriver bit holders and 2 Phillips drywall drill bits. [WIDELY USED] Suitable for building decks, drywall, particle board or plywood, wood framing, plywood subfloor installation, etc. Ideal as a daily tool suitable for both indoor and outdoor use.