52pcs Stainless Steel Cable Clamp Rubber Cushioned Insulated Clamp For Car Hose or Wire Cord Installation. Salt resistant, anti rust, anti-corrosion, waterproof, oil-proof. Thickness of Rubber:4MM. Size:1/4"(Φ6),5/16"(Φ8),3/8"(Φ10),1/2"(Φ13),5/8"(Φ16).