Precision Parallel Block Set

[Features]
· The 4 sides excluding the end faces have undergone finishing grinding and are machined in pairs.
· S50C type hardened to HRC46-53 with improved wear resistance.
· Comes inside a strong wooden storage case.
· Also sold separately.
· By using a high-precision parallel block to find the parallelism, precision machining can be performed while preventing the workpiece from floating