With its heavy-duty punch motor, built-in electric coil inserter and complete system of functions, the CoilMac-EPI makes it the ideal partner for commercial volume workloads. Simply hit the switch and punch up to 20 sheets of 20lb.paper at a time with a 4:1 pitch, then use the foot pedal operated hands-free electric coil inserter to easily control the roller, saving you time. The Coilmac-EPI binds up to 230 pages on a 7/8" (25mm) coil. Disengaging dies allow for multiple paper sizes: letter, legal, A4. A5. Adjustable side-margin and punch depth controls provide for evenly centered punching in all document sizes. Open punching throat with continuous punching guide alignment for larger sheets of paper and the U-shaped alignment channel aids in conforming the spine of larger diameter documents to the coil's shape for faster and easier insertion. Features also include waste drawer, reverse (anti-jam) function and power switch. Full featured, reliable, easy-to-use and powerful, the CoilMac-EPI includes FREE coil crimpers and coil selector guide.