KUBOTAN-BLK. Solid Steel Keychain Kubotan Black Solid Steel Kubotan Black. Grip your kubotan and get to protecting yourself. A great public safety tool, the kubotan has been around for generations. Starting in Japan and originated by the man who trained their police, this is a non-lethal defense tool that looks harmless but packs a hard hit. Get yours now. 5.5 inch overall length Colorful pattern Aircraft aluminum Solid steel key ring One can protect themselves with a harmless looking defense tool Price: $2.35 Unit: Each Quantity: