【High-quality material】: the product is made of high quality Q235 gauge steel, sturdy and durable, can be used for a long time
【Easy to install】：easy to install, easy to operate, save your time
【High durability】：Withstands 450 lbs of load and runs over 35,000 cycles
【Products include】：Torsion Spring Bearing× 2
【Size Comparison】：Check the size and compare with your product before you buy, make sure it fit your product. If you have any problem, please don't hesitate to contact us
