The MSK-8400BL-18 single needle Long Arm, Walking Foot. For medium to heavy weight fabric that requires a longer bed plateThe MSK-8400BL-18 with top and bottom feed a high-pressure foot lift and a longer stitch length. "For sewing leather, upholstery, canvas, and synthetics, the MSK-8400BL-18 with safety clutch, drop in bobbin and automatic oiling offers the whole package. Low noise and vibration design, outstanding build quality and reliability and the industries #1 DC servomotor. Sew Quiet 5000. It has a stitch dial, providing adjustments (0-9 mm) for the length of the stitch as well as a convenient reverse lever for making the perfect back tack. For added convenience, the bobbin winder on the MSK-8400BL-18 is built-in to the front of the machine head. The superior quality stand with K-legs, includes the SewQuiet 5000 DC servomotor and a bonus 8000S UberLight Task light. 1,800-RPM speed, Large capacity hook, 16 mm foot lift (knee), Single row feed dog, Instruction / parts manual included, Tool kit, drawer, thread stand included, Individually tested and sewn-off before shipping.