... Type: Any types * Finish: Zinc Stainless Steel Extension SpringWe Produce extension springs with machine hooks, crossover hooks, extended hooks, side loop, or other special ends. Made from ... / Powder Coating, Shot Blasting, Anodizing, Plain, Polishing, Passivate, Electorolysis Type of LoopsCrossover LoopsDouble Twisted LoopsExtended LoopsFull Loops On the SideFull Loops ...