The DeLuxe Stitching M2-AST 1/4" stitcher has the 26D head. An industrial-grade saddle stitcher that is ideal for print shops and binderies requiring rapid output of production. The DeLuxe M2 Stitcher is especially suited for flat and saddle work ranging in thickness from 2 pages to 1/4". The DeLuxe M2 Saddle Stitcher Machine is a high-speed single-head stitching machine that are rated at up to 215 stitches per minute. Single adjustment to set the machine for the thickness of work also makes them very easy to use. One free sample spool of 25 gauge stitching wire included.