Fowler High Precision This set includes everything you need for part set up! Set Includes: 1-2-3 Block Set: Tolerance: .0001″ (squareness per inch). Dimensions: 1″ x 2″ x 3″ Hardened to 58-60 Rockwell C Matched accuracy within .0002″ per inch. Jack Stand Set: Up to 1000 lbs. Range: 2.25″ to 3.375″ Jack base diameter: 1.25″ 1″ and 2″ extension bases. Extensions may be combined. Space Blocks: 3/4″ diameter, 1/4″28 ID thread Ground hardened and tapped. 4 connection screws included. Accuracy: ±.0001″ Angle Block Set: 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








