Underground Enclosure Cover PG Cover Logo Traffic Cover Bolt Type 2 Stainless Steel Hex Head bolts 3/8-16 x 2 3/4 Cover Pull Slot Size 1/2 x 4 In Length 30 1/2 In Width 17 1/2 In Depth 2 In Color Gray Material of Construction Monolithic Polymer Concrete For Use With 19 1/4x32 1/4 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