Starrett 3657aa Magnetic Base Indicator Holder

Designed for use with dial indicators, incorporating an on/off switch which controls the powerful magnetic base. The flexible post of No. 657T allows the use of indicators in awkward places. It can be adjusted to any position and locked.

Description: Magnetic base with upright base post, snug, rod, indicator attachment and snug complete - 6.4mm (1/4 Inch) and 9.5mm (3/8 Inch) holes.