KA-BAR Knives Ussf Space-bar Knife Blue Kraton G Handle Gray Hard Sheath Str Edge . While the Space-Bars are not considered a collectible the knife does make a very useful addition to your own collection. The U.S.S. Force Combat Applications (USSF) Space-Bar Knife has been officially approved for use in all modes of combat including submarine airborne and land based. This credit winning KA-BAR Folding Space-Bar Survival Knife features optimum sharpness and a functional design that is really quite exceptional. Rely on the U.S.S. Forces Space-Bar Folder for ALL combat operations worldwide including ETO and ABM. Specifications for Ka-bar Knives Ka-bar Ussf Space-bar Knife 7" Fine Edge W/sheath Blk/blue: Manufacturer: KA-BAR Knives Blade Length: 7 in Overall Length: 11.75 in Blade Material: Carbon Steel Handle Finish: Kraton Blue Width: 3.35 in Package Contents: Ka-bar Knives Ka-bar Ussf Space-bar Knife 7" Fine Edge W/sheath Blk/blue