- Overall: 9.25"
- Blade: 4" MagnaMax, Drop Point, Saber Grind, Stonewash
- Handle: 5.25" Aluminum, Feather Texture, Black
- Hardware: Blasted
- Glass Breaker
- Pocket Clip: Deep Carry, Tip Up, Right Carry, Black
- Opener: Push Button Automatic, Safety Switch-Steel
- Lock Type: Plunge Lock
- Weight: 5.5 oz
- Made in the USA
- Model: T4105F-MM
The Pro-Tech TR-4 is the newest release of Tactical Response Automatic Knives from Pro-Tech Knives, an industry leader in autos. The Pro-Tech TR-4 features a 4" blade. The 5.25" ergonomically designed handle is made from T6-6061 aluminum for lightweight (5 oz) yet durable handling. The TR4 fires hard and has rock solid lockup. The Pro-Tech TR-4 features an upgraded sliding safety on the front of the handle so there are no accidental deployments.