Amazon.com : Yanyu 1-1/2 inch (38mm) Boat Deck Floor Drain Fittings Marine Hardware 316 Stainless Steel Thru Hull Deck Drainage Scupper for 1-1/2 inch Inner Diameter Pipe with Screws : Sports & Outdoors
500pcs) DIN 6799 M10 Retaining Washers for Shafts Stainless Steel, Ships Free in USA by Aspen Fasteners, ASSP6799210: Amazon.com: Industrial & Scientific