Bore Gauge Set Double Action Handles Are Rigidly Attached To The Contact Plungers And Are Automatically Self Centering.. Inside Micrometer Assist In Quick Checking Of Holes, Slots And Recess Up To 6 Inch Deep.. Bore Gauge Set The Ends Of Both Contact Are Head Treated Steel And Precision Ground To A Radius Allowing Proper Clearance On The Smallest Hole The Gauge Will Enter.. Inside Micrometer Set Constant Spring Tension Delivers Uniform Contact Pressure.. Measuring Inspection Tools Super Quality, High Rigidness, Good Wear Resistance, Durable In Use..
