Machinist Radius Gauge Holder Adjustable Cast Iron Base Layout Tool

classic, high-quality vintage machinist layout tool. This solid piece features a heavy ground cast iron base with a bottom V-groove channel, making it ideal for tracking flat surface plates or stabilizing on cylindrical stock.

Product Highlights:

Precision Pivoting Clamp Arm: Features a dual-sided clamping snug designed to firmly hold standard machinist radius gauge blades, flat stock, or dial indicator stems.

Micro-Adjustment Fine Tuning: Equipped with a large knurled rear thumb screw and spring-loaded rocker assembly for flawless, precise micro-positioning of your setup.

Heavy Industrial Build: Solid cast and steel construction with an excellent low center of gravity for absolute stability during layout work.