BLACKFLY Timber - Magnetic Sawmill Scale (3/4, 4/4, 5/4, 6/4, 8/4") Removable Mi
BLACKFLY Timber - Magnetic Sawmill Scale (3/4, 4/4, 5/4, 6/4, 8/4") Removable Milling Ruler. Manufacturer Blackfly Timber. High quality magnetic lumber scale. The colored sections of the scale includes a 1/8" kerf.