Size 54 Medium Profile HatchIdeal as a foredeck hatch on larger offshore yachts, the Medium Profile has thicker acrylic and deeper frame sections for greater strength and durability. It features Lewmar’s unique sealing system, allowing for easy acrylic replacement. All while retaining the smooth, modern lines of the low-profile hatch.Features:Outside handles allow the hatch to be opened from the deck if it is not lockedFriction levers hold the lid open in any position up to 95°Anodized aluminum frame for corrosion resistanceCurved upper frame profile for strength as well as modern stylingA full range of spare parts is availableSpecifications: Lower Frame: 9/16 in.Acrylic Color: Smoke GreyHatch Weight: 14.3 lb.Acrylic Window Thickness: 1/2 in.Length: 18-1/4 in.Width: 22-3/4 in.   Height: 1-1/4"   Radii R: 2-7/8 in.   Cut-Out Length: 15-7/16 in.Cut-Out Width: 19-15/16 in.Cut-Out Radii R1: 1-11/16 in.