OS map scale card
Rulex Map Scale Card
Credit card size scale ruler designed specifically for Ordnance Survey maps.
Featuring 1:25000, 1:50000 and 1:40000 scales the Map Scale Card allows you to take accurate measurements to within 25m from OS maps.
Postage and packaging charge (£3.50), reagrdless of quantity, is to UK mainland adresses only - for shipping to other destinations, please contact us.