• Full size set kits includes from 3/64-inch to 1/2-inch in tough plastic case
• Titanium coating reduces heat buildup for longer life, lasts X 6 more than conventional bits
• Multipurpose use ideal for drilling in metal, wood, fiber glass and plastics, not for use on concrete or masonry
• Well orgnized all sizes are indexed on tray to keep all components organized, with sponge cushion between the upper and lower halves to avoid bits straggling and mixing
• Premium material manufactured from high speed steel for strength and durability B07JJTMQJ2