Maxi-Security Super Space Lock
- Features our virtually pick-proof detainer disc system.
- Multiple semi-restricted and restricted keyways available, offering over 1 trillion key combinations.
- Laser-welded stainless steel case and interior construction.
- Triple plated case hardened steel shackle.
- Double ball bearing locking mechanism.
- Key removable only in the locked position.
- Available keyed-alike or keyed-different.
- Factory rekeyable.
- Replacement cylinders are available for field replacement.
| Stock No. | Case Width | Shackle Dia | Shackle Clearance |
| 6740-70 | 70mm | 10mm | 17mm |
| 6740-18 | Replacement Cylinder |
 6740-70 |
 6740-18 |