The Singer 4432 heavy duty sewing machine is a true workhorse. With a heavy duty metal interior frame, stainless steel bedplate, extra-high sewing Speed and powerful motor, this sewing machine can sew through just about anything you throw at it. Convenience features including an automatic needle threader, top drop-in bobbin, fully automatic 1-Step buttonhole and drop feed for free motion sewing adds a new dimension of ease to heavy duty sewing. 32 built-in stitches: 6 basic stitches, 7 stretch stitches, 18 decorative stitches, 1 auto buttonhole-perfect for crafts, home decor, clothing construction and much more! automatic needle threader: after following the threading the instructions printed right on machine, this feature automatically threads the eye of the needle without eye strain or frustration. 1,100 stitches per minute: sews faster than a standard sewing machine. 60percent stronger motor: a stronger motor than standard sewing machines allows it to sew through heavyweight fabrics with ease. Stainless steel bed plate: fabric slides easily across the machine arm. Top drop-in bobbin with clear view cover: convenient drop-in bobbin is easy to insert and remove. The clear view cover makes it easy to monitor the bobbin thread supply. Fully automatic 1-Step buttonhole: make beautiful buttonholes automatically in 1 easy step. Snap-on presser feet: quick release for easy on and off-change presser feet in a snap! heavy duty metal frame: rigid support holds all the mechanisms in perfect alignment for skip-free sewing.