The specification of the metal fitting for this belt type load hugger is all stainless steel which has excellent rust resistance and corrosion resistance.A spun dyed polyester thread that does not transfer color into the load is being used in the belt.For places that are easily affected by water or sea breeze.Max Working Load (t):0.4Roll Side:4.5Belt length(m) Fixing Side:1.00Belt Dimension (mm) W x Thickness:38 x 3Color:GreenWith protector (detachable)J Hook TypeBelts: PolyesterRatchet buckle: Stainless steel(SUS304)Protector: Polypropylene (PP)