Rems M42 + M54 Pressing Ring kit. This great value set consists of the M42 and M54 pressing rings along with the Z2 adaptor supplied with a heavy duty metal carry case. Rems Pressing Ring. Suitable for complex compressing of large fittings thanks to 3 swivelable segments mounted on a pressing ring allowing ideal pressing through equal radial controlled movement. The Z2 adaptor is supplied with this pressing set. The pressing rings will fit all Rems radial pressing machines with the exception of the Mini-Press.