The T-H Marine Designer Series Access Hatch is the most attractive, strongest, and most functional hatch design ever made. It features tapered edges and hidden fasteners for that finished look.• Cam style locks hold lid securely• Positive lid seal for watertight fit• Hidden fasteners in frame• Stainless steel hinges allow 160° opening• Structurally engineered "walk-on" lids• Height above deck: 5/8"SpecsSize: 11" x 15"Outside Dimensions: 11" x 15"Inside Dimensions: 7-5/8" x 11-5/8"Cut-Out: 8-1/4" x 12-1/8" Cam style lock holds lid securely Positive lid seal for watertight fit Stainless steel hinges allow 160° opening | T-H Marine Designer Series Non-Locking Boat Hatch, 11" x 15", Polar White