Roll of 50 ft. For ballistic doors, hatches and scuttles. Rectangular profile with 2 chamfered corners (3/16" x 45°) and a rectangular channel (5/8" wide x 5/16" deep). 1-1/4" wide x 1/2" thick. 45 durometer. MIL-R-900. Ships in 1-2 weeks after receipt of order.