58mm Deep, Medium Duty, Recessed Tray Type Cover for Floor Finish Infill Usage: For internal usage and areas with infrequent slow moving traffic up to 10 tonnes GLVW Recessed lids enabling concrete or concrete & floor finish infill Solid steel base plate Keying in bars fitted within lid recess Specially produced matching lid and frame section Brass edge & stainless steel edging available Double rubber sealed and locked as standard Non standard sizes are available Manufactured under an ISO 9001:2000 Quality System Finish: Hot dipped galvanised to BS EN ISO 1461 as standard