300mm Verulam architects triangular scale ruler. No. 0 scales.

Verulam

Verulam 300mm triangular scale ruler with metric no.0 scales:\nMade from white ABS plastic\nScales:\nSide 1 - 1:2.5 & 1:5\nSide 2 - 1:10 & 1:20\nSide 3 - 1:50 & 1:100\nManufactured in the UK for reliable accuracy and durability.\n