IRWIN® Unibit® 10220 Step Drill Bit, #20 Drill, 8 -Hole Size, 9/16 in Min Hole Size, 1 in Max Hole Size, 3-Flat Shank Under Sink Water Filters Flex fabric for comfort and

Flex fabric for comfort and ease of movement

Universal abrasive

Steel and Cobalt Cutting Edge

16 ft Blade Length

05 in THK BladeFeatures:

IRWIN® Unibit® 10220 Step Drill Bit, #20 Drill, 8 -Hole Size, 9/16 in Min Hole Size, 1 in Max Hole Size, 3-Flat Shank Under Sink Water Filters Flex fabric for comfort andIRWIN Step Drill Bit, #20 Drill, 8 Hole, 9 16 in Minimum Hole, 1 in Maximum Hole, Step Increments: 1 16 in, 1 8 in Step Length, 2 7 16 in Overall Length, 3 Flat Shank, 7 16 in Shank Diameter, HSS, Finish: Black Oxide, Applicable Materials: Aluminum, Brass, Copper, Laminate, Plastic, Stainless SteelFeatures: Single flute cutting edge for greater control through steps 3 flatted shank prevents slipping in drill chuck Patented single flute cutting edge