The Sea-Dog Screw Out Deck Plate with clear polycarbonate lid allows visual inspection of watertight compartments, storage lockers and fuel fittings without removing the lid. Use silicone sealant on hull or deck surface when installing the deck plate. Lubricate with Teflon grease or Vaseline and clean with hot, soapy water. Note: Avoid contact with acetone or strong solvents. Specifications: Injection Molded ABS Plate Diameter: 6-1/2 Outside Diameter of Ring: 8-1/8 Cutout Diameter: 6-1/2 Color: White w/ Clear Cover The Sea-Dog Screw Out Deck Plate with clear polycarbonate lid allows visual inspection of watertight compartments, storage lockers and fuel fittings without removing the lid Use silicone sealant on hull or deck surface when installing the deck plate Lubricate with Teflon grease or Vaseline and clean with hot, soapy water Avoid contact with acetone or strong solvents ASIN B00KHBIIXI Brand Name Sea-Dog Item Weight 0.99 Pounds Part Number 337161