Capacity: Cut Up Through 3/8 IN (9.500 MM) Mild Steel, Copper, Brass,Aluminum, Wood, Plastic and Laminates
Hole Size: 0.638 IN (16.200 MM), 0.803 IN (20.400 MM), 1 IN (25.400 MM), 1.280 IN (32.500 MM)
Maximum Material Thickness: 1/4 IN (6.400 MM)
Minimum Chuck Size: 3/8 IN (9.500 MM)
Overall Length: 3-7/8/ IN (85.700 MM)
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STEPBIT, STEP-BIT, STEP BIT, UNIBIT, UNI-BIT, MULTISTEP, MULTI-STEP, MULTI STEP, MULTIHOLE, MULTI-HOLE, MULTI HOLE