Description

Garage door spring measure tool Commercial Pocket Wire Gauge .319 -.562 TP-446 .319 - .562 wire No more counting coils Match gauge to spring Stainless Steel 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; Looking for the residential Wire Gauge? Part TP-427