Designed for frequent use, this hard-working binding system is ideal for large-office applications. Unique removable binding mechanism can be used separately for increased productivity. Three releasable dies for different document sizes. Enhanced accuracy edge guide and vertical paper loading for pinpoint punch alignment. Built-in comb storage tray with integrated document measuring device. Front-access waste tray. Includes binding starter pack. Electric—Effortless operation – just push the button to punch up to 28 sheets at a time. Binding Spine Type: Comb; Binding Sheet Capacity: 500; Punching Sheet Capacity: 28; Maximum Binding Edge: 12".