1、The opening and closing of case will be flexible and effortless. 2、This hinge is made of copper, tough, soft and ductile. 3、High quality spring ensures strong strength and long durability, the rotation angle is 180 degree. 4、Fit for folding tabletop, sewing machine table and etc. 5、It is very reliable that with more than 50,000 times opening and closing service times. Description: This hinge is made of copper, tough, soft and ductile.It is very reliable that with more than 50,000 times opening and closing service times.Fit for folding tabletop, sewing machine table and etc. Features: The opening and closing of case will be flexible and effortless. This hinge is made of copper, tough, soft and ductile. High quality spring ensures strong strength and long durability, the rotation angle is 180 degree. Fit for folding tabletop, sewing machine table and etc. It is very reliable that with more than 50,000 times opening and closing service times. Specifications: Condition: 100% Brand New Material: Copper Color: Sliver Surface: Chrome Thickness: 1.5mm Size: 45 x 30 x 1.5 mm / 1.77 x 1.18 x 0.06 inch (appr.) Package Included: 1 Pack x 2PCS Hinges Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.