SINGER Heavy Duty 4423 Sewing Machine With 97 Stitch Applications NEW. Prepare for your next fabric project with the SINGER® HEAVY DUTY 4423 Sewing Machine. Its heavy-duty metal frame was designed with your heavy-duty projects in mind, from denim to canvas. It even includes heavy-duty accessories, such as needles and spool caps. Thanks to the powerful motor, this item offers an extra-high sewing speed to save you time. A total of 97 Stitch Applications gives you options for basic, stretch and decorative designs. The one-step buttonhole ensures consistent results every time. Easily adjust the stitch width, needle position and more by spinning the clearly marked dials. This SINGER® HEAVY DUTY 4423 sewing machine includes a standard presser foot. More powerful motor for extra-high sewing speed. 23 built-in stitches: basic, stretch, decorative. 1-step buttonhole for consistent results every time. Heavy-duty metal frame sewing machine for heavy fabrics. Standard presser foot and heavy-duty accessories included. Machine Size (15.5 x 6.25 x 12). Machine Weight (14.6). Box Size (18 x 8.5 x 13).