Shop / Hoist Parts / 1/2″ Extension Spring “Buttonhead Screw” 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 CABLE B 3/8 X 285 $269.72 Read more Rotary 6-1/2″ Bronze & TFE Bearing Ring $201.44 Add to cart Din Connector 220V RAC Plug $346.00 Add to cart Overhead Hose 278″ $319.88 Add to cart