The PB 150 is ideal for occasional use in the home, at the office or on the desktop. This compact, easy-to-use manual comb binding machine punches up to 15 sheets of paper at a time and binds up to 240 sheets with a 1-1/8" comb. Efficiently designed, Model PB 150 allows the user to punch and bind in a continuous manner, while the ergonomic punching bar and base support offer working comfort and stability.