Made of steel for wear resistance, durability, and high hardness. Suitable for use with gypsum board, woodworking board, drywall, and more. Compatible with electric screwdrivers, manual screwdrivers, electric drills, and hand drills for easy screw installation and removal. Ideal for maintenance and installation tasks in the home furnishing industry. These bits help secure screws precisely without wobbling or misdirection, allowing for efficient and smooth operation. The non-slip design holds the screw firmly on the bit, preventing it from falling off. The collar limits screw penetration to protect walls and boards from over-tightening damage. Length: 50mm / 1.96 inches. Color: As shown. Material: Metal. Package Contents: 5 x Positioning Screwdriver Bits. Only the above items are included; other products are not included. Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.