The RAM-B-174-A-326MFU consists of a hardware for mounting to both brake/clutch reservoirs and rails that are 0.5" to 1.25" in diameter, short double socket arm and EZY-Mount™ quick release adapter kit. The mounting hardware for brake/clutch reservoirs include both standard and metric mounting bolts. The EZY-Mount™ adapter kit utilizes a quick release male to female union, these mounts are absolutely perfect for those who want the most secure, yet rapid release and portable kit possible. How does it work? Mate an EZY-Mount™ male or female component to any RAM cradle or device with the standard AMPS hole pattern. Align the two parts and snap into place. To release, push back the release tab and go.