plural of nut wrench

An instrument for fixing on nuts or removing them from screws.

plural of screw wrench

A tool for grasping the flat sides of the heads of large screws.

plural of smoke wrench

(slang) A blowtorch, usually an acetylene torch.

(idiomatic, US) To introduce a problem, dilemma or obstacle in; to complicate.

An adjustable hand tool with a sliding mechanism, that combines a tongue-and-groove pliers / water pump pliers with an adjustable spanner. It is a water pump pliers with a flat head.

Other type of pipe wrench used to rotate plumbing pipes.

present participle of throw a wrench in