Commercial Garage door spring measuring tool - Pocket Wire Gauge .319 - .562

Description

The Commercial spring gauge
measures spring wire from .319 through .562.
Garage door spring gauge.
This is the most accurate way to measure garage door springs.
This tool fits around the coils of the spring and the spring wire size is stamped on each blade
for a fail safe way to determine the wire diameter.
There are two different gauges; one is for Residential sized springs with spring diameters from .187 through .312