【Adjustable Depth Stop】 The magnetic sleeve of the bit is detachable , depth can be adjusted by adding or removing gaskets . The depth limiting sleeve restricts the penetration depth of screws into the board , avoiding wall or board damage from over tightening 【Magnetic Screw Holder】 The positioning drywall bit is equipped with a strong magnetic ring , firmly holding screws in place for accurate installation , preventing screws from falling off and improving work efficiency 【Complete Drywall Bit Set】 Contains 5 pieces of PH2 1/4 inch hex shank drywall screwdriver bits , total length 50mm/1.97inch , ideal for drywall installation , quickly tightening screws without damaging the surface 【Accurate Positioning Bits】 These drywall bits ensure precise screw fixing without wobbling or deviation , making work more efficient . Widely compatible with electric screwdrivers , manual screwdrivers , electric drills and hand drills for easy installation and removal 【Premium Material】 Made of S2 alloy steel , ensuring professional performance and durability , with wear resistance , rust prevention and high hardness . The exclusive precision CNC machined tip design ensures ideal fit with fastener grooves, Manufacturer: PATNFR