• #4 Stepped Drill Bit: 12 sizes from 3/16 in. to 7/8 in.
• #5 Stepped Drill Bit: 11 sizes from 1/4 in. to 1-3/8 in.
• Works with drilling metal, plastic, wood, fiberglass, and other materials with similar hardness
• Made of High-Speed steel with titanium finish for long life and extra durability
• 3-Flat shank fits into power tool chucks and drill presses securely, eliminating slip
• Drill multiple sizes with each bit
• 23 hole sizes in 2 bits
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