PRECISE SETTING: This 5-piece drywall screw setter bit set includes drill bits 50mm (2") *4pcs and 1pcs 60mm (2-3/8") length quick change extension drill bit holder for precisely setting drywall screws without cracking the board. EXCELLENT CONTROL: This drywall bit provides better control and visibility when setting screws close to edges and in confined spaces. MAGNETIC HEAD: The drywall bit head is strong powerful magnetism and non-slip design can absorb screws to prevent slipping during operation and improve work efficiency. WIDE APPLICATION: In addition to drywall, these bits can also be used with wood screws and in impact drivers or hand screwdrivers for various small precision drilling jobs. Suitable for gypsum board, woodworking board, dry wall and more. DURABLE CONSTRUCTION: This drywall screw setter made of strong chromium vanadium steel, which is wear resistant, durable and high hardness. The drywall bits head is weak magnetic and non-slip design can absorb screws to prevent slipping during operation and improve work efficiency.