Fowler Steel 2-4-6 Blocks2 4 6 Blocks Parallelism within 0. 0003" Dimensional Accuracy: 0. 001" Squareness within 0. 0003" per inch Block hardened to 56 60 RC Flatness within 0. 0002" per inch

• Black nitrate finished housing

• A handy clip provided for easy portability

Tolerances are set for each dimension so that the final inspection reports can classify each dimension as a pass or fail

• Positive lever-locking clamp ensures reliable measurement at all times

001" reading dial face

hard wearing

• Comes with a convenient clip

Includes NIST Certificate of Calibration

0005"Auto reversingJeweled movement3 dovetail mountingsIncludes 3 contact points

• Inverted covered rack prevents dirt accumulation in rack gear teeth

solid aluminum space blocks for easy set up in machining

large dial easy to read graduations