SPI 4-Way V-Blocks – 91-294-9

• Manufactured from close grained cast iron
• Precisely machined and ground square and parallel within 0.0008″
• V-groove parallel to bearing surface within 0.0008″
• Each V-Block has 4 different size V’s supporting a large range of diameters
• Furnished in matched and numbered pairs
• V angle: 90 (with 1/8″ groove at bottom of V)

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