8" deluxe super spacer (precision index for milling)

What is for sale: 8" deluxe super spacer (precision index for milling)

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Commonly used in the shop applications, such as milling, drilling, jig boring etc
Six masking plates for 2,3,4,6,8 and 12 divisions
24 index plate is ground and hardened
Concentricity of chuck : 0.0005"
Maximum individual spacing tolerance: 25 seconds