Inside 8-150mm (5/16 "-6") T-Bore Scale Caliper Telescoping Gauge Set Internal Gauge Hole Precision

Label:Yes Size C: 3/4" - 1-1/4" (19mm to 32mm) Size A: 5/16" - 1/2" (8 mm to 12.7mm) Size D: 1-1/4" - 2-1/8" (32mm to 54mm) Measuring range: 8-150mm or 5/16 "to 6" Size B: 1/2"- 3/4" (12.7mm to 19mm) Size F: 3-1/2" - 6" (90mm to 150mm) Size E: 2-1/8" - 3-1/2" (54mm to 90mm) Features: 1.Double action rigid handle with self centering feature for quick checking of holes, slots and recess up to 6" deep 2.The ends of both contact are head treated stainless steel and precision ground to a radius to allow proper clearance on the smallest hole the gage will enter 3.Constant spring tension gives uniform contact pressure 4.Handles are rigidly attached to the contact plungers and are automatically self-centering

Package:6Pcs / Set Telescoping Gauge