The Swingline 67 Electric Automatic Commercial Stapler is designed for workhorse dependability, speed, and convenience. It features a throat depth of up to 1 inch and an adjustable gauge for stapling in various positions. The adjustable paper guide ensures precision alignments, while its stable design provides excellent traction for consistent everyday stapling. This stapler can fasten 2 to 20 sheets of 20 lb. paper using S.F. 4 Premium Staples.