Pack of 5 - 45 A mechanized cutting cartridges are compatible with: 1) SmartSYNC™ torches for the Powermax65/85/105 SYNC™ systems 2) Duramax® torches using a torch adapter* for Powermax45® XP/65/85/105 systems. 3) Mechanized cartridges can also be used on hand torches if cutting with a stand-off is desired.