... ,Hose end Size:1/4"-2" Products: European type Air Hose Couplings, Compressor Couplings, Universal Couplings, Cam lock couplings, coupler of claw ... Coupling (couple of claw) , air hose claw coupling, camlock coupling, claw coupler, Universal Coupling,coupler of claw, compressor coupling2) Material: Carbon Steel ...