Skip to main content

Radius and Action Gauge
by Hosco


Currently out of Stock


This very clever tool has a radius and action gauge in one ruler. It feature the 6 most popular radius sizes used: 7 1/4", 9 1/2", 10", 12", 14" and 16" as well as a ruler for measuring string action in 0.2 mm increments up to 9 mm.


The most popular radius sizes in one ruler
Action gauge in 0.2 mm increments
Made from stainless steel
Made in Japan

Tech Specs

Length 200 mm (7.9")
Width 24 mm (0.9")
Manufacturer Part Number H-RG1