Provides perfect punching and quick binding; exclusive paper separator divides stacks of paper into just the right thickness of flawless punching. Rotary dial for precise control of comb opening and closing. Punches upto 25 sheets. Maximum number of sheets is 500. Maximum bound size is 2" x 11". Adjustable depth. Comb binding. 17-1/3"W x 6-7/10"D x 17-3/4"H. Limited 2-year warranty.