Visor Pin – Guardian Angel Police, Brass Tone. The police guardian angel keeps you safe out on the street, will guide you and protect you while you are on your beat. This guardian angel police officer visor pin has an arm stretched out as if to state ‘halt’. Made of metal with a brushed-brass finish. Also can be used as a cap pin. Measures approximately 1 inch wide X 1 1/4 inch high X 1/2” deep.