This pair of cufflinks feature a miniaturized version of the vertical speed indicator instrument. This instrument is part of a group of six instruments in a cockpit often referred to as the pilot’s ”six pack”. The six pack of instruments provide the pilot with crucial information about the aircraft’s speed, altitude, heading, attitude and rate of turn.   Pair the cufflinks with other items from the Flight Series Collection which includes additional instrument cufflinks & lapel pins. This pair of cufflinks comes packaged on a card in a clear wrapper & gift boxed.