This comprehensive 70-piece set provides a full range of solutions for drilling, driving, and fastening in wood, plastic, and metal. Engineered with S2 modified steel and a black oxide finish, these bits offer superior corrosion resistance and extended tool life. The Ultra-Lok 1/4 in. hex shanks ensure fast bit changes and prevent spin-out in impact drivers or drills.

• Comprehensive 70-piece set includes the most widely-used screwdriver and nut-driver sizes for versatile fastening.
• Manufactured from S2 modified steel with proprietary heat treatment for enhanced durability and longer bit life.
• Black oxide finish is specifically engineered to resist corrosion during heavy use.
• Ultra-Lok 1/4 in. hex shanks allow for fast, easy bit changes and prevent bit spin-out.
• Compatible with 1/4 in. impact drivers as well as 3/8 in. or 1/2 in. driver/drills.
• Magnetic 3 in. bit holder and nut drivers provide extra-strong fastener retention.
• Versatile application for drilling and driving in wood, plastic, and metal materials.