Starrett 657TW Magnetic Base with Flexible Post for Dial Indicators

The Starrett 657TW Magnetic Base with Flexible Post is a versatile and reliable holding fixture designed for use with dial indicators, test indicators, and similar precision measuring instruments. Engineered to Starrett's renowned quality standards, this magnetic base provides a stable, secure mounting platform on any ferrous metal surface, making it ideal for machine shop, toolroom, and quality control applications.

Key Features:

• Powerful On/Off Magnetic Base: Features a strong permanent magnet with an on/off lever switch, allowing quick and easy placement and removal without leaving marks or residue on work surfaces
• Flexible Post Arm: The fully articulating flexible post arm (sometimes called a "gooseneck" arm) allows infinite positioning of your indicator for maximum setup flexibility
• Fine Adjustment Knob: Includes a fine adjustment mechanism for precise final positioning of the indicator
• Universal Indicator Clamp: Compatible with most standard dial indicators and test indicators with industry-standard shanks
• Durable Construction: Built with quality materials for long-lasting performance in demanding shop environments
• Compact Design: Low-profile base fits into tight spaces and on small workpieces

The Starrett 657TW is part of Starrett's trusted 657 series of magnetic bases — a go-to choice for machinists, tool and die makers, and quality inspectors who demand accuracy and dependability in their setups. Whether you're indicating in a workpiece on a mill, checking runout on a lathe, or performing surface plate inspection, the 657TW delivers the rock-solid stability and reach you need.