Swingline heavy duty stapler. This stapler will staple up to 100 pages. The stapler takes 1/4", 3/8", or 1/2" heavy duty Swingline staples. This stapler has some tape residue on the back end of the stapler. There is some rust on the inside bottom of the handle. The stapler is 11.25" long x 2.5" wide x 8" high.