This is the SH25-3 stylus holder #A-2237-1303.
The SH25 range of stylus holders enables accurate scanning measurements with effective stylus lengths ranging from 20 mm – 400 mm. They have a kinematic coupling that connects to their respective SM25 scanning modules to provide a repeatable connection that eliminates the need for probe requalification after a change. The stylus holders are designed to only fit with their respective scanning module. They should be used with Renishaws M3 range of styli.
The SH25-3 stylus holder has an effective stylus reach of 120 mm – 200 mm.
Please note: The SH25-1/2/3/4 holders are recommended for use with linear stylus arrangements, while the SH25-5 and SH25-2A/3A/4A holders are recommended for use with cranked and star stylus arrangements.