Shop / Hoist Parts / Challenger Sheave CL12 “8mm Delrin Ball” has been added to your cart. View cart Challenger Sheave CL12$40.36 In stock Challenger Sheave CL12 quantity Add to cart SKU: TH-CL12760 Category: Hoist Parts Related products Buttonhead Screw 10×16 $23.18 Add to cart 8mm Delrin Ball $0.51 Add to cart Rotary 6-1/2″ Bronze & TFE Bearing Ring $201.44 Add to cart 3/8″ Spring $4.03 Add to cart