Rapidesign Dimensioning and Tolerancing Template conforms to ANSI Y14.5M-1982 and ISO/R1101 specifications. Vertical letters and numbers in 1/8" (3.5mm) size. Includes arrowhead, delta, balloon and finishing symbols. Made of durable, long-lasting plastic with vivid and easy-to-read printed markings won't wear off from frequent handling. Made in USA.