• Constructed of M-35 5 percent cobalt high speed steel for super abrasive resistance in tough metals
• Cobalt steel extends cutting edge life and maintains cutting life after resharpening
• Extra hard drill for greater wear
• 135° split point tip starts on contact, cuts with less force
• Reduced shank above 3/8" allows the use of larger drill bits in a 3/8" chuck
• Rubber overmolded case protects kit if dropped
• Tap & Drill selection chart for convenient reference
• Automatic indexing for easy bit access and identification
• Removable cartridges: easy to carry bits from case to worksite
• Sizes include 1/16" to 1/2" in 1/64" increments
(California Prop 65)