Brown & Sharpe L91-0.7001 Ring Gage is a precision measuring tool from Brown & Sharpe’s ring-gage lineup, identified by the L91 series and sized at 0.7001 inches. Ring gauges are used in quality control to verify bore sizes in machined parts during inspection. The L91 designation denotes its place in Brown & Sharpe’s legacy line of metrology gauges, intended for shop-floor use in metalworking environments that require accurate hole-size verification.
