| Production Run | Dates | Serial Numbers | Notes |
|---|---|---|---|
| Start Rev. 0.1 | December 1995 | 001000 | |
| Rev. 0.1 | September 1999 | 003257 | Changed stone retainer clips |
| Rev. 0.2 | April 2000 | 003705 | Permanent handles |
| Rev. 0.3 | August 2002 | 004458 | Wave spring installed in handle |
| End | February 2004 | 004718 |