‎Kit Contains: 1–2–3 Blocks, Angle Block Set, Spacer Blocks - Machinist Set Up Kit

‎•Tolerance: .0001″ (squareness per inch) •Dimensions: 1″ × 2″ × 3″ •Hardened to 58–60 Rockwell C •Matched accuracy within .0002″ per inch •Up to 1000 lbs. •Range: 2.25″ to 3.375″ •Jack base diameter: 1.25″ •1″ and 2″ extension bases •Extensions may be combined •3/4″ diameter, 1/4″ ? 28 ID thread •Ground hardened and tapped. •4 Connection screws included. •Accuracy: ±.0001″ •Precision ground. •Accuracy: ±30 seconds. •All blocks 3″ long and .250″ thick. •Each set includes 1° thru 5° blocks in 1° increments and 5° thru 30° blocks in 5° increments as well as 1/4″ and 1/2″ blocks.

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