T-H Marine Designer Series Non-Locking Access Hatches - Polar White Designer Series is T-H Marines most attractive, strongest, and most functional hatch design ever. Features tapered edges and hidden fasteners for that finished look. Cam Style Locks hold Lid Securely Positive Lid Seal for Water Tight Fit Hidden Fasteners in Frame Stainless Steel Hinges allow Full 180 Degree opening Structurally Engineered Walk On Lids Sizes for All Uses - Vertical or Horizontal Height Above Deck 58 Color Polar W