The Oetiker 14100083 Side Jaw Pincers are made of steel and are suitable for repair or installation of pneumatic or hydraulic industrial hose fittings that require "ear clamp" ferrules to hold them in place. The jaws of this tool clamp each side of the ferrule, compressing the hose against the barbed portion of the hose fitting for a secure fit. This tool is suitable for industrial or commercial hose fitting repair and installation applications.Oetiker manufactures hose clamps, rings, couplings, conveyor chains, hinged belts, and other connecting parts and accessories. The company, founded in 1942 and headquartered in Horgen, Switzerland, meets International Organization for Standardization/Technical Specification (ISO/TS) standard 16949.