This is the SCR600 #A-2098-0255-RBE

RBE: Repair by exchange

The SCR600 is a passive stylus change rack for use with the SP600 probe family, and requires no electrical connections. It is protected from overtravel (in the probe entry direction) by a mechanism in the base which can be manually reset. It houses up to four SH600 stylus holders per rack and any number of racks can be used in a CMM system.