This is a pencil holder for a Mutoh AC-800 plotter. PSH-803 0.3-5 pencils (one of which is an older model) Cleaner pins: 2 sets Instruction manual Everything in the photos is included. Since this is an old item, I cannot confirm its operation. Please consider this a used, junk item. It will be shipped in its current condition. Please research how to install it yourself. Returns, refunds, and cancellations are not accepted. Thank you for your understanding.