Greenlee GSBSET3 Kwik Stepper Step Bit Kit, 3 Piece

• Durable split-point tip for fast, accurate material penetration.​
• Patented split-step design optimizes chip load for fast, smooth cutting, and more holes per charge.​
• Progressive cutting edges provides power tool accessory balanced aggression to maximize torque efficiency and minimize stalling.​
• Improved double flute design for superior chip evacuation, cutting speeds and tool life.​
• Three-flat shank for all 1/2" drill chucks.​
• Laser markings for quick, easy product and size identification.
• Replaced 35884

Specifications:

Type Multi-hole Step Bit Set
Application Cuts mild steel, aluminum, brass, copper, wood, fiberglass, plastics and laminates
Minimum Drill Diameter GSB01: 1/8" (3.2 mm), GSB04: 3/16" (4.8 mm), GSB09: 3/16" (4.8 mm)
Maximum Drill Diameter GSB01: 1/2" (12.7 mm), GSB04: 7/8" (22.2 mm), GSB09: 1-1/8" (28.6 mm)
Maximum Sheet Metal Thickness 10 gauge (3.5 mm)
Included GSB01 (1/2" bit) , GSB04 (7/8" bit), GSB09 (1-1/8" bit) and carrying case