Grade 13 stainless steel parliament hinges tested to BS EN 1935, certifire rated for FD30 & FD60 doors. Self lubricating, maintenance free, available in 4inch x 4inch x 3mm (102 x 102 x 3mm), 4inch x 5inch x 3.5mm (102 x 127 x 3.5mm) & 4inch x 6inch x 3.5mm (102 x 152 x 3.5mm) sizes, in Polished Stainless Steel, Satin Stainless Steel & PVD Stainless Brass finish - hinges priced in pairs, supplied with screws.