+3 INSERT NUT - INBD SUPT CSTG H1 61020001 $27.99 In stock Quantity: 1 Add to Bag Product Details UPC: 792176830733 Brand: Hobie Part #: 61020001 Hobie 18 Inboard Support Casting Insert Nut Hobie factory replacement insert nut for the Hobie 18 inboard support casting. Save this product for later Favorite