b'SQUARES13quaRes and ulesDOUBLE SQUARES WITH HARDENED BLADESPopular with machinists, toolmakers, and patternmakers. The sliding blade is adjustable, making it practical for a wide variety of uses. Thes Rfaces of the head are ground square.F EaturEs 4R GraduationQuick Reading 8ths, 16ths, 32nds, 64thsCat. No. EDP Size13A 50109 4"13A78'