Amazon.com : Akiles ACM-ECI41 Model CoilMac-ECI Manual Coil Punch with HD Electric Coil Inserter, Standard 4mm Round Holes, 5 Disengageable Pins, Suggested Up to 20-sheet For 20 lbs Paper or 2.6mm For
Akiles 13" CoilMac-ECI Manual Punching with Electric Inserter & Foot Switch for 5:1 Plastic Coil Bindings & Spines ACM-ECI51
Akiles CoilMac ECI Plus Coil Binding System (ACM-ECI41+) | eBay