Date Finder Wheel Calculator. Calculate dates for deliveries, production time, appointments, meetings and more. Screen-printed in 1 spot colour directly on to the .020 White Gloss Vinyl Plastic material. This makes for a top quality, long lasting wheel. Use our standard template or supply your own customized one. Custom imprint, Pantone colour match & bleed edge all included. Top wheel 3.25" dia. & Bottom wheel - 4.25" dia. Separately priced options include - Additional Colours and Back Imprint.