Eaton Tool Kits & Sets Assembly tool 609693 - Eaton 216402, The Eaton M22-MS Assembly Tool facilitates quick and efficient installation of control components. Designed robustly, it is a black, single-piece tool essential for assembling M22 series control units. Typically used in industrial applications, it ensures secure fittings and alignment. Eaton 216402 M22 Assembly Tool Black 1pc for efficient assembly