This is the 151 mm MCG arm that can be used with either the MCG1 or MCG2.

(A-1007-0008) MCG arm (151 mm)
$659.00
Machine Checking Gage| MCG Spares and Accessories | MCG arm (151 mm)| Renishaw
$659.00
Machine Checking Gage| MCG Spares and Accessories | MCG arm (151 mm)| Renishaw
This is the 151 mm MCG arm that can be used with either the MCG1 or MCG2.