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 30005