Inspired by British and American soldiers in World War One. This is the ultimate piece of self defense equipment. On one hand you have a brass knuckle and a knife that folds out to a knife.

Historic Nazi knuckle knives that were used in the trenches of war.
Turn your black brass knuckles into a sharp knife with one trigger point. Makes this the ideal stealth set of knuckles.

- Assisted Opening Super Duty Trench knife
- Solid Stainless Steel Trench knife
- Open Length: 8-5/8"
- Blade Length: 3-3/4"
- Closed Length: 5", Width 2-1/2"
- Blade Material: 1045 Surgical Steel, Razor sharp
- Handles All Stainless with hand Guard Knuckle
- Metal clip on back