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SPI 21mm Chrome Steel Metric Gauge Ball - Pack of 2
Product Information
Ground and lapped. Chrome steel hardened to 63 RC. Grade 25 accuracy - AFBMA Certified. Certificate not supplied with individual gauge balls.
Technical Specification
More Information Brand | SPI |
Manufacturer Part Number | 57099699 |
Diameter | 0.8268 in; 21 mm |
Diameter (mm) | 21 |
Size (mm) | 21 |
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