| Tool | Description |
|
GCT
| Guidance Continuous Electronic Cartridge Type |
|
GCT-A
| Guidance Continuous Electronic Cartridge Type |
|
GCT-AB
| Guidance Continuous Electronic Cartridge Type |
|
GCT-B
| Guidance Continuous Electronic Cartridge Type |
|
GCT-BB
| Guidance Continuous Electronic Cartridge Type |
