With this little tool it is easy to adjust your Hudy or similar Slot Car Tire truers to the correct wheel diameter. Range is from 28mm to 22mm in 0,5mm steps. Please notice: Due to the manufacturing process the dimensions are not 100% exact and can vary a bit from batch to batch.
Available from my Shapeways shop:
http://www.shapeways.com/shops/neckcheeseor directly from me:
n.elmholt@gmail.com - price DKK 75,- + postage