Used Uchida Electric Punch VS 10 model. It works without any problems. The list price is about 55,000 yen. Uchida Electric Hole Punch VS series VS-10 model Easily and quickly punches through thick documents with simple operation. Smooth hole punching without paper slippage is possible with the paper holder that works in conjunction with the drill bit. Easily punches through 30mm thick PPC paper. The VS-10 model is an electric 2-hole punch. The maximum punching capacity is approximately 350 sheets of PPC paper. ● High performance, safe, and easy-to-operate 2-hole electric punch with a simplified mechanism. ● Easily and quickly punches through thick documents (30mm). ● The punching position is precisely determined by the table slide. ● Easy centering of documents. ● OA-compatible punching depth (6-35mm). ● The drill bit is hollow, ensuring clean punching without slippage. ● The semi-transparent cartridge-type waste container makes it easy to see how full it is. ● Smooth punching without paper slippage is possible with the paper holder that works in conjunction with the drill bit. ● Includes an auxiliary table convenient for punching A4 and B4 size documents. ● Maximum punching capacity is approximately 350 sheets of PPC paper (30mm)