Fowler 53-672-081-0, Economy 81 Rectangular Gage Block Set
- Durable Construction: This block set is made of the finest grade of high carbon / chrome steel that has a low coefficient of thermal expansion.
- fully stress relieved and hardened to 65 RC.
- Accuracy: The gage block set is lapped and polished to a very low micro-surface finish.
- 81 Piece Set: These gage blocks come with 9 blocks 0.1001″ thru 0.1009″, steps of 0.0001″.
- 49 blocks 0.101″ thru 0.149″, steps of 0.001″.
- 19 blocks 0.050″ thru 0.950″, steps of 0.050″.
- and 4 blocks 1.000″ thru 4.000″, steps of 1.000″.
- Set Includes: The set of gage blocks includes a deluxe fitted case and certificate of inspection traceable to the National Institute of Standards & Technology.