Martin Yale 400 Single Bin Desktop Paper Jogger, Aligns and Separates Envelopes, Cards, Small Paper Stock, Jogs One Full Ream of 8-1/2" x 11" Helps eliminate static electricity and paper sticking, for easier processing Great companion for high speed copiers, folding machines, printing presses, cutters and perforators. Jogs a ream of 8 1/2 x 11 Inches or a half of a ream of 8 1/2 x 14 Inches paper