A Starfleet pin set from Star Trek. Starfleet staff wore various pins on their uniforms. Both pins are made of metal with the lenticular pin belonging to a Starfleet command admiral's cap and the silvertone pin belonging to an enlisted crewman's cap. The silvertone pin includes two pin backs for attaching to the wearer's clothing, while the lenticular pin features a nut and bolt. Dimensions: 4" x 3" x 1" (10 cm x 8 cm x 2.5 cm)