Compression hose clamp 1,Material:w1 w2 w4 2,heavy duty 3,Structure:swivel clamp 4,ISO9001:2008 Compression hose clamp Tianjin TheOne Metal Products Co.,Ltd1.Product information1)Size:17-19&above2)Material:W1All zinc-platedW2Screw, axle and sleeve adopt galvanized iron,others adopt 200 series or 300 series stainless steelW4Fully adopt 200 or 300 series stainless steelW5All stainless steel 3163) ...