A Helix Technical Drawing Instrument Set

A technical drawing instrument set by Helix, manufactured in Italy. The set comprises nickel-plated metal instruments including a large bow compass with a black plastic head, a small spring-bow compass, a ruling pen head, extension bars, and needle points. The instruments are presented in a blue-flocked fitted tray within a hard plastic case. The transparent lid features printed red text reading HELIX DRAWING SET ITALY.