+3 HAIRPIN COTTER 5/16" 302 SS 20501 $0.83 In stock Quantity: 1 Add to Bag Product Details UPC: 792176190257 Brand: Hobie Part #: 20501 Cotter Pin (5/16") Great little helpers for quick rudder removal. Forget the aggravation of straightening those cotter pins! A definite plus for trailering. Stainless Steel. 5/16" Diameter. Save this product for later Favorite