Underground Enclosure Cover PG Cover Logo Traffic Cover Bolt Type 2 Stainless Steel Hex Head bolts 3/8-16 x 4 Cover Pull Slot Size 1/2 x 4 In Length 35 5/8 In Width 24 In Depth 3 In Color Gray Material of Construction Monolithic Polymer Concrete For Use With 26x37 5/8 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