Manganese Steel Mud Van ATV Snow Chain

Seamless welding, welding machine misalignment is less than 0.025MM welding mouth more solidPolished and scarred blue and white double galvanised, welded joints are polished and scarred without hurting the wheels or tyres.Zinc layer thickness 15UMAlloy material 1200 degrees high temperature 10 hours carburising quenching surface hardness (780) HV5Two upgrades:1. Upgrade the swan buckle2.Upgrade CAM cam plate locking piece.