Keep hatches, ports and windshields tightly closed. Perko hatch fastener/windshield keepers are designed to close and tension hatches and ports to maintain a seal against gaskets. These unique surface mounted latches feature a polymer handle to allow you tighten the closure; once tightened, the handle folds out of the way for a lower profile. Chrome-plated zinc construction provides corrosion resistance and a finished look when installed with oval head fasteners. Add tension to hatch and windshield seals and keep out the moisture with Perko hatch fastener/windshield keepers Key Features Creates better seal against gaskets of hatches, ports and windshields Polymer lever allows closure to be tightened Lever folds for a lower profile Chrome-plated zinc construction for corrosion resistance Surface mounted installation with oval head screws