... 4.OEM service 5.Manufacturer OS002 Cast Copper Alloy Hardware Product:1. Model No: OS0022. Type: Copper Alloy Door Hardware3. Size: 40mm(L), 35mm ... . Finish: natural, brushed, polished, chrome plated.6. Surface treatment: glazing 7. Applies to: hotel, restaurant, shopping mall, etc. The Materials, Sizes ... requests. ^_^ Some related flush handle on our website: Cast Copper Alloy Hardware Product