set chisel

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A chisel with a cutting edge on a tapered shaft.

GNU Webster's 1913

1. (Mech.) A kind of chisel or punch, variously shaped, with a broad flat end, used for stripping off rivet heads, etc.

WordNet 3.0

1. n. narrow chisel made of steel; used to cut stone or bricks