Electric binding machine is designed for frequent use. Ideal for large office applications. Punches up to 25 12" wide sheets at a time and binds up to 500 sheets with a 2" comb. Vertical document-loading ensures accurate punch alignment. Removable binding mechanism can be used separately. Built-in comb storage tray has an integrated document measurement device for quick setup. Adjustable rotary edge guide centers documents with ease. Binding machine includes front-access waste tray and binding starter pack.