Description
Material: Hardened steel heat treated and case hardened to HRC 58 to 60 robust and durable Advantages: Cross drilling design allows for efficient use of lower weight with maximum strength accuracy with squareness on all sides within 0.0003 per inch Use: They are similar to parallels, but more stable and may be used outside a vise utilizing the pre-drilled holes, their applications are expanded by bolting them together Products Include: 2 x 1-2-3 Inch machinist set up blocks