It consists of one manual fabric-cutting device and one pressure stabilizer and pneumatic upholstery device with security control. Pressure stabilizer recognizes the changes in air pressure and lets the system work between 5-6 bars. Pressure stabilizer provides covering process in desired standards. Security control serves 100% labor safety. This security detects the static electricity of human body in case of any touch of skin to any metal part of the system and stops the process. Blocked system returns to the start position. Many materials such as fabrics, leathers, faux leathers etc. can be covered on buttons in size between 20 and 60. D3 Manual Set covers maximum 750 buttons in an hour. Height: 128cm, Depth: 40cm, Width: 60cm Packing: 2 Wooden cases. We recommend original RON button systems to gain desired standards.