If you require sequential numbers for your documents, then take the strain out of hand writing them with the Reiner Automatic Numbering Machine Machines. Each one is designed for long lasting use in a busy working environment, whether you choose the plastic or metal casing stamp. Keeping your documents organised, the stamps have 6 digits that will automatically change. Not requiring a separate stamp pad, the durable stamps will help you keep a clean desk while improving efficiency. Ideal for tracking stock levels and coding, the Reiner stamps will make a great addition to any office.