Use the FCK to connect multiple FUSION mounts together. Compatible with all FUSION products. – The FCK000 is a union connector for FUSION fixed or tilt wall mounts which adds zero length to the poles. – Helps create single row multi-monitor applications such as menuboards – Typically use FCK008 with 37-42″ screens and the LSAU, LSMU, LTAU and LTMU. The FCK000 is used with the MTAPU and LTAPU portrait mounts. All other screen and mount combinations typically use the FCK016.