UZI Throwing Knife Black. The UZI Throwing Knives feature straight edge stainless steel blades that will remain sharp for incredibly long periods of time. For a great way to throw like a pro choose the UZI Throwing Knife. Specifications for Uzi Throwing Knife: Blade Material: Stainless Steel Edge Type: Straight Features of UZI Throwing Knife: Lightweight Durable Stainless steel Straight Edge Package Contents: Uzi Fixed Blade Throwing Knives UZI UZK-TRW-004: Throwing Knife Black