Spacer 2.2 mm 4.0 mm 4.0 mm POM

This is a Round, Black, Unthreaded Spacer made from Polyoxymethylene (POM), or Acetal. This product provides physical spacing between components, as well as providing thermal and electrical insulation. POM offers improved heat resistance, higher stiffness and lower friction than other plastic materials, and is rated to UL94-V0.