Seachoice - Non-locking Grand Compression Latch - 2-1/2" - 35651. Round non-locking grand compression latch that is 2-1/2" in diameter. Made out of 316 Stainless Steel.. 316 Stainless Steel. Spring-loaded, anti-rattle design. Clean appearance. Concealed fasteners help prevent corrosion. Comfortable grip. Ideal for gasket-style hatches. Detent handle prevents accidental damage to fiberglass frame