Amazon.com: MING-BIN Home Improvement Hardware Stainless Steel Slam Latch Lock for 1.5'' Door RV Trailers Boat Hatch Door Corrosive Resistant Construction Hardware Accessories : Automotive
Non - Locking Watertight Slam Latch, Investment Cast 316 Stainless, 1/8 in. Fastener, 2 in. Diameter 221962 - The Home Depot