Screw-Out Deck Plates Designed to provide access without the use of tools. Features single start, non-jamming (no cross-thread), extra strong, self-cleaning buttress thread. Self-aligning center and gasket to assure a watertight seal. Backup sealing wall leaves the plate waterproof even if the gasket is removed. The clear center plate permits observation of controls or gauges and visual inspection without removing the plate.
