Precision ground to exact sizes; no need to buy matched pairs. Hardened and ground steel parallels can be purchased and used individually or matched with any number of individual Suburban parallels at any time.Different sizes can be used together. For example, A 6-by-1/2- by-1-inch parallel can be used with one of size 8 by 3/4 by 1 inch. Held to size ofï¾±.00025 inch on four sides. Opposite sides parallel within .0001 inch per 6 inches.
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