Item Name: Electric Screwdriver Magnetic Ring Screwdriver Bits Screwdriver Accessories. Shock resistant tool steel for maximum durability hardened core for extra strength & reduced breakage.Includes depth stop to limit screw penetration and damage to board.Be used with any power drill or cordless drill.Automatically sets screws to proper depth in drywall.PH2 screwdriver bits for drywall screws.Heat treated to resist breakage & wear.Suitable for plasterboard screws locating and as drywall dimpler bits.Specifications:Product Name: Screwdriver BitsMaterial: S2 Tool Steel + MagneticColor:Red + GreyShank Diameter : 1/4 InchLength :48mmQuantity :1PcsPackage Included:5 x Screwdriver Bits *Please make