These parts are made in 0.5mm Stainless Steel, which provides customers with peace of mind that they are guaranteed a lifespan of at least 100 years. A highly cost effective and environmentally friendly product, contractors and installers can be assured of a long lasting and high quality purchase. Steering water around the angles of your propertys roof, the Stainless Gutta Standard Half Round Internal Corners are crucial components of your drainage system. Stainless Gutta Standard Half Round Dimensions Width: 125mm Height: 70mm