GBC ThermaBind T400 Thermal Binding Machine, 400 Sheet Binding Capacity, A4, SilverDesigned for medium to high office use, the ThermaBind T400 adds a stylish perfect bound look to documents and presentations, binding up to 400 80gsm A4 sheets in a single document or a series of smaller ones simultaneously. The simple controls include adjustable heat settings and a variable timer, plus there is an integral cooling tray for completed work. Warranty Guarantee : 2 Year