This 380mm solid top manhole cover is made from strong AP9 grade polypropylene.It has a 3.5 Tonne load rating, which makes is suitable for domestic driveways, pedestrian and landscaping use only.The actual overall size of the cover is 380mm x 380mm x 37mm. The total external size including the frame is 438mm x 438mm, with a depth to the locating ring of 97mm.The cleverly designed stepped connection rings that locate inside the inspection chamber riser enable this cover to be fitted to any mini inspection chamber between 220mm and 300mm diameter.The cover comes with 4 locking screws.For a closer look at this cover,  please click here to watch a short video clip.This manhole cover is made by Clark-Drain.Plastic manholes, whether polypropylene or PVC, are all durable and long-lasting. Manufactured by injection moulding to exacting specifications , they will stand the test of time. They are considerably lighter than their cast ductile iron counterparts.All of our plastic manhole covers are