DIY Supplies : MetalworkingBrand Name : SZBJ D67-C -Fexplain: 1. Counting range: 0-99999 2. This device is a kind of carry progressive counter driven by machinery, which is suitable for counting applications of general presses and printing machines. 3. The inner zigzag gear is made of special plastic. It is not suitable to contact toluene and thinner when disassembling and washing, and only add machine oil slightly. Usage: 1. Pull to jump one at a time to carry automatically. 2. Rotate the word wheel in the forward direction, and all numbers return to zero. D94-S explain: 1. This machine is a mechanical driven automatic progressive calculator, which is suitable for general machine tools. Printing press and other operation counting applications. 2. Counting range: 0-99999. 3. The angle of pull rod can be adjusted arbitrarily. 4. Each pull will jump one and carry automatically 5. Rotate the word axis in the same direction, and all numbers return to zero. matters needing attention: 1. When using, the pull rod should be pulled to the full, but not too far. 2. The internal zigzag wheel of this device is made of special engineering plastics. It is not suitable to contact with high temperature and inflammable gas. It can be used with a little oil.