The Akiles CoilMac-ER Spiral Binding Binding Machine is an oval-hole, fully featured, heavy-duty manual coil punching machine, with a built-in mini electric coil inserter. The re-designed & improved CoilMac-ER is the ideal partner for low to mid-volume workloads. Punches in 4:1 pitch oval holes for plastic spiral coil bindings. The oval holes make fort the easiest coil inserting available. 13" binding edge & 1 year manufacturer's warranty. Free cutter crimper pliers are included.