New SPI 0.50001" Diameter Setting Ring Gage 06543946 GK2302 Precision Calibrated This item is new. Please see photos for what you see is what you will receive. Item Specifics Brand: SPI (Swiss Precision Instruments) Model/Part Number: 06543946 GK2302 Type: Setting Ring Gage / Master Calibration Ring Nominal Diameter: 0.50001 inches Material: Hardened and tempered steel Use: Calibration and setting of bore gauges and internal micrometers Accuracy: Precision calibrated to detect deviations in bore measurements Finish: Ground and lapped for high accuracy Condition: New Typical Use: Used for comparative gauging and precision dimensional checks in machining and manufacturing environments This is being sold AS-IS. No returns. Please only purchase this if you agree to those terms. SHELF: 15 bin 1 (Bottom) AP