The tool is very small & hand held, perfect for making or splicing in replacement sections of brake pipes in situ on the vehicle. Produces accurate SAE & DIN flares on 3 /16" & 4.75mm pipes. The pipe is clamped into the end of the by tightening two clamping bolts, then screw in the former/die to flare the pipe. The only space you need is enough to hold the tool & then to tighten the former. Suitable for most pipe types, copper, copper nickel, steel, brass, aluminium. Supplied in carry-case.