Blue Granite Hammer Drill Masonry Bits, 7-Pc. Duro 3/4"rigid copper tube size x

3/4"rigid copper tube size x 100'

Gorilla Tough & Wide sticks to smooth

Use indoors on hardwood

Designed to be universally comfortable for even small hands

Keys are made of 8650 chrome nickel alloy steel for maximum performance

Blue Granite Hammer Drill Masonry Bits, 7-Pc. Duro 3/4"rigid copper tube size x7 piece, blue granite, hammer drill, masonry bits, includes: (1) 1 8" x 2" x 3" bit, (2) 5 32" x 3" x 6" bits, (2) 3 16" x 4" x 6" bits, (1) 1 4" x 4" x 6" bit & (1) 3 8" x 4" x 6" bit, delivers fast impact drilling in concrete, stone & masonry, combining low voltage with high temperature brazing prevents carbide cutting edge from breaking out even when heat builds up during deep drilling, features straight shank drill bit, milled u flutes with deep