Used by bricklayers for spacing brick courses. Spacing range 2-7/8" to 3-1/2" in 1/16ths increments. Brick spacings identified by black letters A-K. Rule is printed in yellow. Regular outside markings in black. Brick Masons scale on inside, red course counter numbered consecutively.
Manufacturer: LUFKIN Model Number: T656N UPC: 037103265647
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