Description
Easy to adjust: Suitable for precise measurement. Professional precision inside diameter measuring tool! Easy to use: the handles are rigidly attached to the contact pistons and are automatically self-centering, to obtain a perfect fit with the hole. Check holes accurately: Rigid double-action handle with self-centering feature allows quick checking of holes, slots and recesses up to 6inch deep. Advanced design concept: the ends of both contacts are made of head treated stainless steel and precision ground to a radius to allow adequate clearance on the smallest hole the gauge will enter. 6pcs gauge set: 5/16inch – 6inch (8mm – 150mm): Gauges 8-12.7, 12.7-19, 19-32, 32-54, 54-90 and 90-150mm. You can measure different sizes of holes with this inside diameter measuring tool. Specification: Material: hardened tool steel Color: silver Range: 5/16inch – 1/2inch, (8 – 12.7mm) 1/2inch – 3/4inch, (12 ,7 – 19mm) 3/4inch – 1-1/4inch, (19 – 32mm) 1-1/4inch – 2-1/8inch, (32-54mm) 2-1/8inch
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