T-H Marine HAT-1330-2-DP Polar White Access Hatch Non-locking Dimensions: Outside: 13-1/4" x 30-3/4" Inside: 10" x 27-1/4" Cut-out: 11-1/4" x 28-1/2" T-H Marine introduces the most innovative design ever available in access hatches plates. These hatches plates provide an attractive and economical way to access horizontal or vertical storage areas. Watertight - lid overlapping frame Two separate seals on frame and lid No visible fasteners Corrosion-free integrated hinge Hinges allow 180-degree opening Also available in lockable version