Shop / Hoist Parts / 1/2″ Extension Spring “Challenger 8-1/2″ Wiper” has been added to your cart. View cart 1/2″ Extension Spring$4.94 In stock 1/2" Extension Spring quantity Add to cart SKU: TH-40221 Category: Hoist Parts Related products Cam Followers $42.00 Add to cart Overhead Hose 278″ $319.88 Add to cart Emergency Push Botton $27.00 Add to cart Challenger Lock Release Air Cylinder $802.79 Read more