| High Speed Steel Box |
HS3 GT |
2450°F |
| High Temperature Box |
3027 GT |
2500°F - 2750°F |
| Heavy-Duty High Temperature Box |
3029 GT |
2500°F - 2750°F |
| High Speed Steel Dual Chamber |
8000 HSGT |
2450°F UC / 1600°F LC |
| High Temperature Dual Chamber |
8300 GT |
2500°F UC / 1600°F LC |
