PB Flush Blu 1NO Clr Sil Boot

Amazon

Push button, metal, projecting, blue Simple modular design facilitates post installation servicing, modification and adaption of machines by non-specialists Designed to fit in a standard 22mm cutout, ensuring compatibility when installing in pre-existing machinery

Zoro Tools

Flush push buttons with a 22mm mounting diameter. Features and Benefits: -Complete unit with double insulated bezel for durability Notes: -18 months manufacturer's warranty