| model | function | Length (mm) | material quality | Weight (g) | Locking force (N) | 3D |
| A109B-1 | concealed,self lock,damping,adjustable | 150.4 | sus304 | 322.59 | 250 | Download |
| A109B-2 | concealed,self lock,damping,adjustable | 125.3 | sus304 | 179.71 | 200 | Download |
| A109B-3 | concealed,self lock,damping,adjustable | 100.4 | sus304 | 91.08 | 100 | Download |
Built in spring with vibration damping function, can maintain elastic preloading on the connecting body.
The unique safety pin can achieve self-locking function, with reliable safety, and the buckle will not loosen due to vibration
