GlasMasters Polymer Concrete Hand Hole Enclosure Assembly, 17" x 30" x 24", Tier 15, EDGE Broadband. This polymer concrete underground hand hole enclosure is part of the GlasMasters AP polymer concrete line. Original catalog description: Hand Hole Assembly, Polymer Concrete, 17" x 30" x 24", 22500# Test Rated, Polymer Concrete, 1 Piece Cover, EDGE BROADBAND Logo, Price Per Each