Upgrade your home toolbox with this complete 246-piece COMOWARE Drill Bit & Driver Set , engineered for drilling and screw-driving across a wide range of materials including wood, metal, masonry, and cement . Whether you're tackling DIY projects, home repairs, or professional tasks, this all-in-one kit ensures you always have the right bit at the right time. ALL-IN-ONE CONVENIENCE This comprehensive kit includes an extensive variety of drill bits and screwdriver bits designed for nearly any drilling or fastening job around your home, garage, or workshop. A must-have set for DIYers, homeowners, and mechanics alike. DURABLE, HIGH-PERFORMANCE MATERIALS Bits are made from superior HSS steel for added strength and long-lasting durability. Titanium-coated bits deliver smoother, faster drilling through wood and metal. Black oxide bits resist wear and corrosion for extended life. Perfect for anyone who needs consistent drilling performance, job after job. WELL-ORGANIZED PORTABLE CASE Stay organized with a sturdy storage case designed for easy bit selection. Uncluttered interior layout Sponge cushion to prevent bit movement or mixing Clear blue size-labels for quick identification Ideal for transport between home, job site, or workshop. COMPLETE 246-PIECE ACCESSORY KIT Screwdriver Bits: 66 1"" bits 30 2"" bits 6 nut drivers 2 hex keys Drill Bits: 57 HSS titanium bits 30 HSS black oxide bits 21 masonry bits 17 brad-point bits 4 spade bits 4 drill stoppers 1 extension bit Additional Accessories: 4 hole saws 1 arbor adapter 1 countersink 1 nail punch 1 bit holder Everything you need in one complete, versatile kit.