A special version of the RL21 SFB Round Lock to fit Pragmasis Protector 19mm chain. The regular version RL21-SFB lock is here.
Next to being impervious to physical attacks, the high security floating disc key-way makes this lock extremely difficult to pick.
- 21mm - 0.82" heavy steel shaft.
- Rotating parts provide no leverage.
- Anti-grip slanted and rounded sides.
- Chrome finish
- 3 high security keys.
- Dust and water cover.
Shackle: 21mm - 0.82"
Body: 40mm 1-9/16" round
Clearance: 16mm 7/16"
Total height (including cap) 81mm 3-3/16"