Starrett 657-1 Universal Magnetic Base Indicator Holder Complete Set

The Starrett 657-1 Universal Indicator Holder is a complete magnetic base holding system designed for use with dial indicators, test indicators, and similar precision measuring instruments. Built to the exacting standards Starrett is known for, this holder provides reliable, vibration-resistant positioning on any ferrous surface in machine shops, on mills, lathes, grinders, and inspection equipment.

Key Features:

• Powerful on/off magnetic base for secure mounting on ferrous surfaces without permanent attachment
• Universal design accommodates a wide range of dial indicators and test indicators
• Fully articulating arm assembly allows precise positioning in virtually any orientation
• Fine adjustment capability for exact indicator placement
• Sturdy all-metal construction for long-term durability in demanding shop environments
• Complete set includes magnetic base, articulating arm, and all mounting hardware

The 657-1 is ideal for setup work, part inspection, runout measurement, and surface plate work. The switchable magnetic base activates and deactivates with a simple lever, keeping your work surface clean and scratch-free. Starrett's reputation for precision manufacturing ensures consistent, repeatable performance in critical measurement applications.