Standard Sunnen dial bore gauges read out in tenths. Feature all-carbide gauging points, wearproof ball crank and adjustable centralizers.

• Diameter Range: .495″ to .750″
• Max Gauging Depth: 7.00″
• Overall length: 11.8125″
• Measures to within .200″ of the bottom of a blind bore
• Carbide balls replaceable in the indicating fingers only
• Use the Sunnen SCF-502 setting fixture. Non-retractable.