Three versions of the hm 2.0 hard metric modules can be loaded with contacts conforming to DIN 41626, including specialty devices such as high-power, coaxial, or fiber-optic contacts. The L module contains six cavities to hold up to six contacts, the M module holds up to three contacts and provides 55 signal pins, and the N version is a 25-mm, half module, also capable of holding three contacts. The signal pins in the M module can be custom loaded to meet specific design needs. Both the L and M versions feature a multi-function block for coding, alignment and polarity. All of the modules are available in female versions and are stackable according to IEC 1076-4-101 specifications.