This is the PAA3 autojoint extension bar #A-1051-0419. It is made of aluminum and has a diameter 25mm-13mm.

PAA autojoint to M8 extension bars, available in three lengths, allow standard two-wire touch-trigger probes to be fitted to autojointed heads, for example TP20 to PH10M or MIH.

Compatible heads:

• PH10M PLUS
• PH10MQ PLUS
• PH10M-IQ PLUS
• MIH
• PH6M
• PHS1

Compatible probes:

• TP20
• TP200
• TP2