Mini Triangular Engineers Scale 4"

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4" professional-quality scales with a solid hardwood core, white, high impact plastic laminated faces and tapered edges. Machine-engraved graduations and color-coded furrows. Supplied in plastic sleeve.Architect scales have the following graduations 3/32, 3/16,1/8, 1/4,1/2,3/8,3/4,1-1/2, 3" to the foot: one edge graduated to 16ths Engineers scales have the following graduations 10,20,30,40, 50, 60 parts to the inch