This is a negative-number lock with an extended catheter design, connected using our specially developed S-screws.

The following are common sizes; other sizes can be customized upon request.

  • Large ring inner diameter 38 cage, inner diameter 28, tube 20*25, catheter length 50.
  • Large ring inner diameter 40 cage, inner diameter 30, tube 22*30, catheter length 50.
  • Large ring inner diameter 42 cage, inner diameter 32, tube 25*30, catheter length 50.
  • Large ring inner diameter 45 cage, inner diameter 35, tube 28*35, catheter length 50.
  • Large ring inner diameter 47 cage, inner diameter 37, tube 30*35, catheter length 50.
  • Large ring inner diameter 50 cage, inner diameter 37, tube 30*35, catheter length 50.
  • Large ring inner diameter 38 cage, inner diameter 28, tube 20*25, catheter length 70mm.
  • Large ring inner diameter 40 cage, inner diameter 30, tube 22*30, catheter length 70mm.
  • Large ring inner diameter 42 cage, inner diameter 32, tube 25*30, catheter length 70mm.
  • Large ring inner diameter 45 cage, inner diameter 35, tube 28*35, catheter length 70mm.
  • Large ring inner diameter 47 cage, inner diameter 37, tube 30*35, catheter length 70mm.
  • Large ring inner diameter 50 cage, inner diameter 37, tube 30*35, catheter length 70mm.