0.0003 Squareness Per Inch, Hardened Steel, 2-3-4 Block with 23 Hole Setup Block MPN:630-4016

This hardened steel squareness block ensures accurate setup on mills and lathes measuring at 2-3/4 inches in size while possessing a 0.0003 SPI level for precise tolerance requirements. Its keyed face allows users to easily index its 23 holes or square up pieces of material prior to any machining procedure, thus reducing rework expenses over the long run, making it suitable among automotive or engineering workshops where exact cuts must be completed consistently without faults. Its sturdy design makes it a durable choice within metalworking applications as well preventing damages during day-to-day use thus promoting high efficiency.