If you're an architect, technician or designer, a scale ruler will enable you to make precise markings. This Rotring scale 1 architect ruler has two coloured flutes to enable easy referencing and its triangular profile makes it easy to grip when in use.

  • Off-white, dimensionally stable plastic ruler
  • Precision divisions are numbered both ways
  • Two coloured fluting - red and yellow
  • Scales - 1: 10, 1: 20, 1:25, 1: 50, 1: 75, 1: 100, 1: 125, 1: 200, 1: 250, 1: 500, 1: 750, 1: 1250
DeliveryEstimated DeliveryCost
Express DeliveryOrder before 1pm for next day delivery*��5.99 Standard Delivery 3-5 days.


You can return your purchase within 14 days of receipt where it is unused and in its original packaging. There are some exceptions, for example with specific hygiene products or if a product has been personalised or is not in a resaleable condition.

Any conditions of return are clearly stated below. See our full returns policy here.

* UK mainland only

** Industrial Scotland includes postcodes AB, DD, DG, EH, FK, G, IV5, IV30, IV31, KA, KY, ML, PA (except PA36, PA38, PA40, PA50), PH1 to PH18, TD

*** Scottish Highlands and Islands, Northern Ireland, Isle of Man, Scilly Islands, Channel Islands