Espansore tubo rame robusto per trapano manuale uso per impugnatura esagonale caratteristica
A: 1x 4-in-1 British pipe expander. B: 1x 5-in-1 British pipe expander. High and uniform hardness and wear resistance, high elastic limit. ● Note: When installing the air conditifor r, expand the steel pipe to connect the two steel pipes.