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 Mohawk Seal Kit Power Unit Column Cylinder $248.33 Add to cart Hex Bolt 3/8NCx2 $7.20 Add to cart Emergency Push Botton $27.00 Add to cart 8mm Delrin Ball $0.51 Add to cart