Our 30 kg 460x460 connection manhole, includes a round buffer and the gasket.Dimension: 460 x 460 mmDiameter (B): 290 mmHeight (H): 170 mmFeature: Anti-theft and articulated bufferOpen at 100 degrees after fixingClass: C250Standard : EN 124 Finish: black paint Cast iron EN-GJS-500-7 Use: For gutters bordering sidewalks, maximum 0.5 m on the traffic lane, and 0.2 m on the sidewalk.For access to connections buildings.