It is a PP reinforced “plate” with the inclusion, on the inside bottom, of 5 fiber-reinforced beams and laterally interlocking hooked. The extrados is equipped with various inserts of rubber and a pair of ergonomic retractable handles. Capacity 35 KN (approximately 3.500 kgs). Made of PP (polypropylene), ber-reinforced nylon and rubber. Used to cover the Catch-Pit, allowing the inspection and to give a excellent alternative to traditional concrete manhole covers.