... Import and Export Co.,LTD. (the branch)Factory-Quality Control: ISO9001:2000Size: 1.5''/2''/2.5''/3 ... seller ball bearing door hinge: 1, High quality material: stainless steel and the copper. 2, High quality bearing, and the high-level resistance oil, ... 000 times. 4, The hinge axial play is smaller than 0.3mm, guaranteed that door leaf opening is relaxed, ... within 1 business day. 2BB SS 316 door Hinge