This tool features a custom, short stainless steel, hollow handle that is designed to fit 6mm (1/4") hose sets. The graphite head tapers from 6mm (1/4") to 40mm (1-9/16") and is approximately 50mm (2") in length. The head features a 3mm through hole to blow. Overall tool length is 267mm (10-1/2") and features our custom heat, chemical and flame resistant handle cover.