Atlantic Ball Bearing Hinge 76 x 63 x 3mm (3 x 2.5") Satin Nickel is equipped with ball bearings reducing friction, and the ball race casing is positioned between the hinge knuckles ensuring smooth operation. This product is part of the Atlantic complimentary suite of ironmongery to suit every taste. Supplied and sold in pairs. Supplied with all matching fixings. Corrosion resistant.