The component with the lowest price in the TURNSIGNAL LAMP (VZR1800BZL4 E28) schematic is the Screw.
The Vzr1800bz Boulevard 2014 (l4) Usa (e03) Turnsignal Lamp (vzr1800bzl4 E28) consists of twenty-five pieces with the Cover,front Turnsignal being the most expensive.
In this schematic the "Screw" is used most often.