Underground Enclosure Cover PG Cover Logo Traffic Signal Cover Bolt Type 2 Stainless Steel Hex Head bolts 3/8-16 x 2 1/4 Cover Pull Slot Size 1/2 x 2 1/2 In Length 18 1/8 In Width 11 1/4 In Depth 1 3/4 In Color Gray Material of Construction Monolithic Polymer Concrete For Use With 20 1/4x13 3/8 Enclosures Load Rating 15 000 lbs Description/Special Features For Areas with Non-Deliberate Traffic Only Standards UL listed to ANSI/SCTE 77 2007 Tier 15