HEAVY DUTY & STURDY: This metal manhole lid is made from stainless steel. This metal septic tank cover will last for years without rusting or deteriorating MORE CARRYING CAPACITY: The back of sewer cover outdoor is strengthening. So it is strong enough to withstand more pressure and won't easily damage. This will keep you more secure when using this sewer lid HIGH QUALITY: The stainless steel septic tank lid is full of material and fine grinding. The stainless steel septic tank cover has strong welding joints, so it is difficult to break at the weld BEAUTIFUL: The stainless steel manhole lid is strong invisibility, can make roads, cities and other places more beautiful. Slot on the metal manhole cover for easy lifting with a hook or flat head screwdriver MULTIPLE USAGE SCENARIOS: The metal septic tank lids are used for inspection, cleaning and removal of obstructions in the line.