Letter size Holes size: 4x4 mm. Side margin control Waste drawer for paper scraps Package dimension: 19x 13 x 10 Package weight: nw: 20lbs, gw: 22lbs. We accept return on this item within 30 days from the date you receive the package. We do appreciate your business and your feedback is very important to us at FocusBinding. We will do our best to resolve your concern.For any concern about your order, please contact FocusBinding. The item "New Wire Binding Machine Binder Comb, Heavy Duty Manual 2 Loop, Wire-O Binder, 31" is in sale since Tuesday, February 28, 2017. This item is in the category "Business & Industrial\Office\Office Supplies\Filing, Storage & Binding\Binding Machines". The seller is "focusbinding" and is located in North York, Ontario. This item can be shipped to Canada, United States.