SCRW DCK PLATE DIAMND BK 4" (CO)

Beckson Screw-Out Deck Plate Covers offer a non-jamming, self-cleaning buttress thread that requires no tools to open. The quick access is convenient for use with applications that require frequent opening. The plate is entirely waterproof, with a back-up sealing wall that still seals out water if the gasket is removed. They have a range of surfaces including, smooth, diamond and non-skid.