Manhole Cover with Frame, 500 x 500mm Square Septic Tank Lid with Base, Heavy-Duty Slip-Resistant Carbon Steel Drain Channel Inspection Access Cover

Manhole Cover with Frame, 500 x 500mm Square Septic Tank Lid with Base, Heavy-Duty Slip-Resistant Carbon Steel Drain Channel Inspection Access Cover for Pavements Gardens Reliable Cover and Frame Durable to Use Safe in Every Step Stay Steady, No Shift Wide Applications Convenient Maintenance Access Item Model Number: ZD002-SZ,Cover Size: 500 x 500 x 3.5 mm / 19.7 x 19.7 x 0.14 in,Net Weight: 10.9 kg / 24.0 lbs ,Main Material: Carbon Steel,Frame Size: 545 x 545 x 33 mm / 21.5 x 21.5 x 1.3 in