Rubber Type Letter Number 1. lead time: 3days 2. used on carton coding machine to print date, lot no. Rubber Type, rubber letter, rubber numberSuitable for printing on case & carton coder.Made of special raw materials, suitable for working with Tetra Pak packing machineStandard height: 5mm, 8mm, 10mm, 12mm, 16mm, 20mmSpecial dimensions can be customise.