Cutout Size: A) 14-1/2" x B) 19-1/2" Overall Size: C) 17" x D) 22" Acylic Thickness: 1/2" Weight: 8.1KG SKU#: LDH-30-I CE Approved. According to ISO/DIS 12216 Deck Hatches are approved for Area II, III, and IV, designs for craft type "any". Low profile elegant appearance. 316 stainless steel frames, hatch, hatch arms and hinges. Hand polished and electro-polished to protect against corrosion. Frames and hatches are made from machine rolled stock to ensure strength and low weight. Positive easy to operate stainless arms allowing full 180 degree opening with pull-turn knobs to hold hatch open. Adjustable injection molded Nylon 66 handles. Set screw adjustment in each hinge to avoid hinge pins coming out. Tough, glare resistant acrylic tops. Inside opening, inside/outside opening and double opening available. Inside /outside models with 100%Stainless Steel snag free handle.