1,stainless steel SUS304.SUS201,Iiron 2,high quality hydraulic system 3,over 50,000 open-close test 3,clip-on system Hydrauli Detailed Product DescriptionDiameter of hinge cup: 35mmDimention of door (k): 3-7mmRange for door thickness: 14-24mmBase plate: 4 holesPacking: PP bag, bulk, paper box or according to customers' requests.furniture kitchen cabinet hardware/fitting/accessories1,stainless ...