Designed for the Heidelberg QM46, PM46, QMDI, DI Pro and GTO. The Universal Feeder is also compatible with all other small duplicators. It is also designed to fit the four color stream fed presses such as the Heidelberg SM52, Ryobi 524, Presstek 52DI, Hamada 452, Shinohara 52 and the Komori Lithrone 20. Compatible with: Heidelberg Ryobi Presstek Hamada Shinohara Komori AB Dick Features and Benefits Continuously feeds envelopes. No need to stop and reload the press paper tray every few hundred envelopes Installs quickly with no electrical or mechanical connections to the press Timing and speed automatically matches the press No tools needed for set-up or changeover to other stock sizes Micro Lateral Adjustment Designed for run lengths of 1000 above Feeds most envelopes from 3 5/8 x 3 7/8 up to 10 x 13 and C7 to B4 international Virtually maintenance free Shipped fully assembled and ready to run Made In USA Options 3' variable speed delivery conveyor 5' variable speed delivery conveyor Remittance envelope kit Transformers for 220V a?? 50Hz power All Machinery and equipment requires Freight Shipping, a quote will be provided upon purchase or request.