PRECISE SETTING: This 5-piece drywall screw setter bit set, for precisely setting drywall screws without cracking the board. CONSTRUCTION: This drywall screw setter made of strong chromium vanadium steel, which is wear , and high hardness. WIDE APPLICATION: In addition to drywall, these bits can also be used with wood screws and in impact drivers or hand screwdrivers for small precision drilling jobs. Suitable for gypsum board, woodworking board, dry wall and more. MAGNETIC HEAD:The drywall bits head is strong powerful magnetism and non-slip design can absorb screws to prevent slipping during operation and improve work efficiency. EXCELLENT CONTROL: This drywall bit provides better control and visibility when setting screws close to edges and in confined spaces. Accurate Positioning These bits help you fix the screw exactly in place without worrying about wobbling or misdirection. Magnetic head The head is magnetic and can absorb screws to prevent slipping during operation and improve work efficiency. High quality The impact grade socket adapter kit is made of heat-treated chromium vanadium steel and has a of black phosphate. Therefore, the socket drill bit adapter has rust prevention, resistance performance. Color: as shown Material: metal Specification: A: 4pcs 50mm bits + 60mm socket Package Contents: 1 x for Plasterboard Screw Bits Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.