Thickness is 15mm which is extremely strong in steel. Note the pictured item is our 4/5 and 6 inch cover, larger drain covers may vary but be of the same style. An example would be having more rings, holes or lines cut in to them as the size goes up.
Lakeland Steel manufacture all our items ourselves here in the heart of the Lake District in the UK. We have included a slight discount on a pack of 5 on this listing. The item "12 x 13 Metal steel Gully Grate Grid Heavy Duty Drain Cover like cast iron" is in sale since Tuesday, July 14, 2015. This item is in the category "Home, Furniture & DIY\DIY Materials\Plumbing".
The seller is "lakelandsteel" and is located in Millom, Cumbria. This item can be shipped to European Union member countries, Australia, United States, Russian federation, Canada, Brazil, Japan, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, South Korea, Switzerland, Taiwan, Thailand, Chile.