The mig welding liner is used in the welding cable assembly ,used for connected the mig machine and the products need welded .So the liner can be custom if need.The 3 meters ,4meters ,5 meters ,is the normal , anyway ,custom can ask for the length based on his own need. The mig welding liner also have many kinds of color :the black ,the red ,the green ,the blue ,the yellow . The color corresponding different types of mig welding torch . Mig/Co2/Tig/Plasma/Argon Welding Torches and Accessories : Our company produce below products: 1.Binzel 15AK,24KD,25AK,36KD 40KD Air Cooling Torch ,501D,401D Water Cooling Welding Torches 2.Panasonic 180A,200A,350A,500A Welding Torch 3.Otc 180A,200A,350A,500A Welding Torch 4.Trafimet 15AK,24KD,25AK,36KD Welding Torch 5.TBI 15AK,24KD,25AK,36KD Welding Torch 6.P80,AG60,PT31,S45,CB150,A141,SG51,JG60,JG100,SG55 Plasma Cutting Welding Torch 7.Tig welding Torches : WP9/WP12/WP17/WP18/WP…