General description This 5-piece Premium Magnetic Drywall Screw Setter Bit Set is designed for precisely setting drywall screws without cracking the board. Made from strong chromium vanadium steel, these bits are wear-resistant and feature high hardness for durability. The magnetic head design ensures screws are securely held in place, preventing slipping during operation and enhancing work efficiency. Technical specifications Material: Chromium vanadium steel Bit length: 50mm (4 pieces) + 60mm socket Measurement allowed error: +/- 1-3cm Wide application Suitable for gypsum board Compatible with woodworking board Can be used with wood screws Works with impact drivers and hand screwdrivers for small precision drilling jobs Other information Color: As shown Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.