Hand Batch Coding These Manual Coding kits are like mini printing shop in your office or factory. Make your own instant rubber stamps whenever you need it. The message to be printed is very easily composed by just push fitting the grooved stereos (easily changeable) on to the groove base mat. The Inking system consists of a rechargeable felt pad, which is fully enclosed allowing the use of fast-drying handbatchcodingmachine! codingmachine! batchcodingmachine!