1、Made of non‑recycled flexible rubber, sun‑proof and high temperature resistance, not easy to crack 2、Processed in accordance with national standards, possess good electrical conductivity and insulation 3、Socket made of good‑quality insulating rubber material, which has good insulation and has a certain anti‑drop effect 4、Fixing screws are all galvanized, which is moisture‑proof, radiation‑proof and not easy to rust 5、Applicable cable cross‑sectional area for 35‑50mm², very practical to meet your needs 1 x Socket1 x Plug1 x Connector Item Type: Quick Coupler SocketMaterial: Rubber and brassPurpose: Suitable for electric welding, argon arc welding gas shielded welding machineConnection Method: DockingDiameter of Plug Head: Approx. 13mm / 0.5inInner Diameter of Socket Jack: Approx. 13.5mm / 0.5inThickest Outer Diameter of Rubber Sleeve: Approx. 34.5mm / 1.4inApplicable Welding Machine: 315 and part 250Rated Current: 315ACable Cross-Sectional Area: 35-50mm²