fy810 1 Yamata FY810 One Needle Post-bed Lockstith Machine, 0-4mm, 7.2-10mm, 3000s.p.m., Lockstitch Heavy Duty, Roller feed.Accurate and consistent stitching, adjustable stitch length of between 1 to 8 mm (about 6-16 stitches to the inch), a spring loaded reverse lever that allows the user to sew in reverse, Smooth and lightly operating knee-lifter mechanism,lift of about 1/2″, and will comfortably sew just about anything up to 1/8″ thick