Color Painted Extension Spring * Color: RAL, Panton * Wire Dia: 0.1 ~ 8.0mm * Outer Dia: ... extension springs with machine hooks, crossover hooks, extended hooks, side loop, or other special ends. Made from your drawing or sample ... DrawnNon-ferrous MetalsSurface FinishZinc/ Tin/ Nickel/ Chrome Plating, Black Oxide, Color Painted, PVC/ Powder Coating, Shot Blasting, Anodizing, Plain, Polishing, ...