Masterbind Plastic Coil 28mm Black | 50 Pieces per Box

Presenting the Sterling Coilmaster automatic plastic coil binding system. For nearly fifty years, Sterling has been solving bindery problems. They have done so again by introducing the first in-line automatic plastic coil binding system after having introduced the first automatic plastic coil binder. To see the world's first automatic table top plastic coil binder, please look at the Sterling Coilmaster Jr. video. The Sterling Coilmaster is the only patented in-line plastic coil binder and former built in North America! The Sterling Coilmaker forms coil at any pitch, any length up to 48 inches or 122 cm. The mandrel controls the pitch such as 4:1 or 3:1. Changing mandrel sizes can be accomplished in about a minute. Notice how three axels press against the plastic filament as the coil is being formed. Other machines only use two axels, creating less uniform coil on larger sizes. This i