Features: Make of high strength Zincs alloys, strong, cut and shear resistant and withstands high torsions and tension. It consists of 6 folding joint that eliminate the need for cumbersome folding and can rotated 360 degree. The folding lock with holder can attach to the seatpost with fastener, or it can attach to the Bicycles frame with screws. You can easily remove the lock to lock your bike, very convenience. It can effectively prevents bicycles theft and property damage. Comes With 2 Key, you can take one for daily use and store the other at homes if accidentally lose it. Specifications: Materials: Zincs alloys Folding size: about 14.5x4.50cm/5.71x1.77inch Package Includes: 1pc Folding Lock note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.