Shop / Hoist Parts / 1/2″ Extension Spring “Buttonhead Screw 10×16” 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 Hex Bolt 3/8NCx2 $7.20 Add to cart Buttonhead Screw $10.00 Add to cart Rotary 6-1/2″ Bronze & TFE Bearing Ring $201.44 Add to cart 3/8 x 1 1/4 Spring $10.00 Add to cart