Material: See shape
A shape: hardened and blackened free cutting steel, light load
AN shape: Stainless steel 1.4305
AS shape: hardened and blackened free cutting steel, heavy load
D shape: Delrin pin
DN shape: Stainless steel 1.4305, Delrin pin
SD shape: plunger screwdriver
Description: spring plungers [shape] d1xLxd2