Name:2" Stainless steel hinge with bearing Specification:6"*4.5"*4mm 2BB Material:(304 or 202)stainless steel Surface finish:SN,PVD,AB,AC,and other special order Usable range:wooden door,metal door Max bearing:160KG(3 PCS) Feature:flat head rivet axis of rotation,Freely operation,silent,no leakage