Kershaw Ion Throwing Knives 1747BWX. This is a set of three throwing knives and a convenient black nylon sheath to fit them all into. The blade is a blackwash finish and is 4.5 inches long. Overall length is 9 inches. The handle is wrapped with a black and white paracord to help secure the grip while throwing. It is a double-edged blade so it is ready to slice through whatever tree you want to throw this at. So throw your knives with style with this Kershaw Ion 1747BWX. Kershaw Ion Throwing Knives 1747BWX