Features

• Single-fluted design eliminates skidding and makes for easier resharpening.
• Laser-etched hole sizes are easy-to-read and permanent.
• Anti-skid tip eliminates the need for center punching or pilot hole drilling for most sizes.
• Drill multiple-size holes in thin sections of metal, plastic, and wood using a single bit.
• Works in most metals (steel, brass, aluminum, copper), as well as in plastic and wood.
• Note: Read and follow safety instructions in power tool owner's manual.

Specifications

• Depth penetration for each step - 5mm
• Electric drill size - 13 mm (1/2") and larger 
• Number of whole sizes per bit - 10 in 2-3 mm increments 
• Pilot hole required - No
• Size Range (Hole Diameter) - 5 mm to 29 mm