Precision ground and case hardened to Rockwell 48c. Fifteen holes on each face; 3 on ends and 5 on each side. Five 3/8-16 holes for clamping operations. Cross drilled design for minimum weight and maximum strength. Precision ground & case hardened. .0001\"/inch squareness.
Warning:This product may expose you to chemicals including Nickel, Chromium, or Lead, chemicals known to the State of California to cause Birth Defects and/or Cancer. For more information go to www.P65Warnings.ca.gov