This push button operator is for use as a replacement on Wilkinson Canada and Chute Source LLC  electrical interlock intake door and control panels. Operator measures 22mm and is black momentary with a chrome mounting rim. Metal parts are made of an aluminum and zinc alloy. Plastic parts are made of polyamide and polycarbonate. The operator design allows for easy installation by simply rotating it into the mounting adaptor. This does not include the mounting adaptor.