The No. 12 "Defender" MicroBlaster from Gee-Tech was a hold-out blaster intended for single-use. Its main purpose was to serve as a weapon for unexpected assaults or to create diversions. Its effective range and energy output were minimal, and it was incapable of being refilled or reused.
- " Blasters for Hire " appears in Star Wars Adventure Journal 3 (referred to as 12 Defender)
- Gundark's Fantastic Technology: Personal Gear (referred to as 12 Defender)
- Arms & Equipment Guide (Initially identified as 12 Defender MicroBlaster)
- The Clone Wars Campaign Guide (referred to as 12 Defender)
- Star Wars: Age of Rebellion Core Rulebook (referred to as No. 12 "Defender" Disposable MicroBlaster)
- Far Horizons (referred to as 12 Defender)
- Star Wars: Force and Destiny Core Rulebook (referred to as No. 12 "Defender" Disposable MicroBlaster)