25mm Deep Pressed Steel Manhole Cover & Frame. Usage: Domestic Driveways & Application Areas with infrequent vehicle access.Pressed pattern lid25mm deep frames producedLids underbraced, where required, to meet required load ratingManufactured to standard sizes only to enable economic designStandard products produced are single seal non-lock and double seal lockingGalvanised to BSEN ISO 1461 as standard50 series 600 x 600mm clear opening covers in all loadings are available with single seal polypropylene frame