Shop / Hoist Parts / Challenger 30mm Knob “3/8 x 1 1/4 Spring” has been added to your cart. View cart Challenger 30mm Knob$4.03 In stock Challenger 30mm Knob quantity Add to cart SKU: TH-3W-01-22 Category: Hoist Parts Related products 3/8 x 1 1/4 Spring $10.00 Add to cart Air Motor Assembly $778.00 Read more Overhead Hose $351.50 Add to cart Long Hydraulic Hose 12K $212.91 Add to cart