- Penetrate concrete, concrete blocks, brick, tile or stone with your power drill
- Add wall anchors, insert screws, attach studs & install fixtures – must-have set for every homeowner
- Hardened carbon steel shanks with extra-tough M-2 carbide tips; lengths 2-1/2″ to 4-1/2″
- Fluted to remove material from hole as you drill – faster drilling & extended bit life
- Eight sizes: 1/8(3mm), 5/32(4mm), 3/16(5mm), 1/4(6mm), 9/32(7mm), 5/16(8mm, 11/32(9mm) & 3/8″(10mm)
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