Stanley 64fr rustless rule stanley 0 35 433 stanley 64fr flexible engineers rustless rule metricimperial on 2 sides 4 edgesimperial side is graduated to 16ths 32nds 64ths 10ths 20ths 50ths 100thsmetric side is graduated to 05mmclass 1 rulelength 300mm 12 inwidth 125 mmthickness 045 mm stanley 0 35 433 64fr rustless rule 300mm 12in