Approx., 50mm. You will find everything you need in this FMM Bike Accessories Cutter Set to create a fun cycling inspired cake. Why not also use the FMM Bicycle Cutter Set to decorate your cake with all things CYCLING! Perfect for all celebration cakes. To complement our Bike Cutter Set we have designed a bike accessory large Tappit with 5 motifs including a small bike, jersey, cycling gloves, helmet and water bottle. With this cutter you will be able to create embellishments to decorate a range of celebration cakes, cupcakes and much more. Perfect for the keen cyclist! Always use a good quality modelling paste rolled thinly and allowed to dry for a few minutes for best results, if using Sugar paste add a little Tylo or CMC to strengthen the paste and speed up drying.