Precise Granite V-Blocks 3 x 3 x 3 – 303-227

A 1.8" L x W x H 3" x 3" x 3" Weight 7 lbs. Precise Granite V-Blocks 3" x 3" x 3" - 303-227 Supplied in matched pairs. Cylindrical pieces are supported or held during testing. Master grade tolerance: .0001 per 6 90 degree V centered and parallel to bottom,

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