Blueguns by Rings Blueguns - Training Knife Box Cutter . This Training Knife from Blueguns is constructed of an impact-resistant Polyurethane material that is also reinforced with steel so it won't bend or flex. And with a detailed look and feel the Blueguns Training Knife Box Cutter will provide your team with years of great training. For a great way to practice your shooting skills without the threat of injury choose the Blueguns Training Knife Box Cutter. Specifications for Blueguns Training Knife Box Cutter: Manufacturer: Blueguns Blade Grind: Dull (Training Knife) Fabric/Material: Rubber Weight: 100 g Quantity: 1 Package Contents: Blueguns Training Knife Box Cutter The Blue Training Guns Blue Training Guns - Training Knife Box Cutter is a quality addition to the Blueguns lineup. For more great deals on Training Knives by Blueguns please browse our Blue Training Guns by Rings Training Gear page.