Magnetic Base Indicator Holder, Starrett 

The compact and versatile No. 660 Magnetic Base Indicator Holder has three adjustable pivots controlled by a single knob for fast, easy indicator positioning.

Small but powerful magnetic base, with 70 lbs. (320 N) holding force.

Base Dimensions: 1 3/16 x 1 9/16 x 1 3/8" (30 x 40 x 35mm)

Horizontal and vertical mounting positions

Will hold any indicator with a 3/8" (9.5mm) stem or standard dovetail mount

Articulating arm with powerful central locking knob provides full 360° horizontal positioning and over 180° vertical positioning

Maximum horizontal reach: 4.750" (120mm)

Maximum vertical reach: 7.500" (190mm)