Police strength 1/2oz OC-17 pepper spray in a green leather pouch with keychain. 1/2 oz Pepper Spray- Police Strength OC-17 Magnum Mace Red Pepper Spray wth UV Dye. UV Identifying Dye to help identify your attacker.Safety Top. Police Magnum OC-17 Pepper Spray offers the most powerful concentration of pepper spray allowed by law. This is the same spray used by police officers. Each unit also includes UV dye for later identification of the perpetrator by law enforcement. The handy unit allows for one hand operation and can be used to provide multiple blasts up to 12 feet away. A suspect will be immediately affected with burning skin, coughing, watery eyes, runny nose, difficulty breathing but will have no permanent injuries. It is both non-toxic and non-flammable. Effective against: muggers, carjackers, vicious animals, etc.