Used with Flex receivers for highly accurate locating. In combination, these parts are designed to be mounted on fixture bases and plates for highly accurate locating and positioning and allow for precise repeatability when moving to a new machine or different operation. Precise +/- 0.01 mm repeatability when plates are mounted horizontally, or +/- 0.02 mm repeatability when plates are mounted vertically. The body and shank are made from SAE-4140 steel with a black oxide finish. The tapered pin is made from SAE-4140 steel with a nitrocarburized finish. The knob is made from 300 stainless steel with a natural finish. The pin is made from 304 stainless steel with a natural finish.