+3 BALL MEDIUM 6 MM BLACK 52721111 $1.99 In stock Quantity: 1 Add to Bag Product Details UPC: 792176295945 Brand: Hobie Part #: 52721111 Hobie 17 Downhaul Stopper Ball Black 6mm medium downhaul stopper ball for the Hobie 17 Sport, manufactured by Hobie Cat Company. Save this product for later Favorite