300mm Verulam architects triangular scale ruler. Metric A scales.

Verulam

Verulam 300mm triangular scale ruler with metric A architectural scales:\nMade from white ABS plastic\nScales:\nSide 1 - 1:1, 1:10 & 1:2, 1:20\nSide 2 - 1:5, 1:50 & 1:100, 1:200\nSide 3 - 1:500, 1:1000 & 1:1250, 1:2500.\nManufactured in the UK for reliable accuracy and durability.\n \n