The Martin Yale 1632 automatic letter opener is ideal for mid-size to large businesses that receive large volumes of mail. With the 1632 automatic letter opener, you can automatically open up to 7,000 envelopes per hour. All you need to do is place a stack of envelopes into position and turn the letter opener on. The Martin Yale 1632 automatic letter opener will help you to save time, money and improve efficiency in an office. The 1632 automatic letter opener opens stacks of letters in a few minutes rather than hours. This allows you to use your time doing other tasks while your letter opener does the job. Try the Martin Yale 1632 automatic letter opener today and allow it to pay for itself in no time at all.