BLACK & DECKER/INDUS. CONST. 577-7121 PROTO Hex Shank Extension, 7/16in

Drive into end of broken pipe or fitting Size stamped on extractor refers to drill bit size to be used with that extractor Use tap holder or wrench on extractor to turn out broken part

Hand ground cutting edge Hardened, quenched and tempered to precise specifications

Two-piece design Modified parabolic striking end for resistance to mushrooming and chipping Heat-treated for strength and ductility

Rust resistant finish Secure fastener fit

Full Polish finish Made using a heat-treated alloy for wear resistance which helps minimize distortion for a long life