Nut and bolt gauge
Plastic nut, bolt, and screw gauge measures SAE (Society of American Engineers) and Metric sizes.
Determine precise length, width and diameter of nuts and bolts with this lightweight nut and bolt gauge. This portable thread checker measures UNC (Unified National Coarse thread standards) and UNF (Unified National Fine standard) in metric and SAE increments.
Gauge is rustproof and durable enough for field and shop use.
Easily determine exact length, width and diameter of UNC and UNF Metric and SAE (Society of American Engineers) nuts and bolts.
Sturdy, lightweight rustproof high-impact construction
Measures 9-1/2 x 4-1/4 x 1/4 inch thick.