4" - 2 Ball Bearings Butt Hinges Features High Performance Ball Bearings Suitable for wooden and steel door Suitable for DIN Left & DIN Right Hand Technical Features Conforms to EN 1935:2000 Conforms to CE Weight Capacity 60kg for 3 hinges Material Specifications Material : SS 304 Maximum Door Weight for 3 Hinges 60kg/ 80kg Knuckle Diameter 14mm Material Thickness 3mm Finish: SSS