For drilling holes in thin material such as steel, stainless steel, copper, aluminum, or plastic
3/8" Shank with 3 flats to prevent slippage
Step Sizes: 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8-inch
Two-flute design for faster, smoother cutting
