Made with ball bearings in the knuckle to provide extra strength and allow smooth movement that will last for many years.A pair and a half (three hinges) can be fitted to provide extra strength for heavier doors.Manufactured from grade 304 stainless steel.Supplied as a pair.Sold in pairs.Supplied with matching SS wood screws.Our Polished Bronze products are made from solid bronze containing a minimum of 85% copper. This finish is aged and then subsequently re-polished by hand to highlight the lighter surface areas against the darker, detailed parts. During the final stages of manufacturing, we apply a robust lacquer which helps preserve this bright contrast.Overall Size: 102mm x 76mm Leaf Width: 30mm Thickness: 3mm