Brother ST4031HD Strong and Tough Durable Metal Frame Serger with Differential Feed Get professional results on everything from heavy-duty fabrics to lightweight knits with the ST4031HD Strong and Tough Durable Metal Frame Thread Serger from Brother. The extra hard high durability metal blade is manufactured of carbon steel that can cut evenly and smoothly even through multiple layers of denim. The heavy-duty metal frame provides stability while serging at high speeds and durability for many years of extended use. The ST4031HD gives you the creative freedom to serge layers of denim difficult knits and other tough projects with ease. Heavy-Duty Metal Frame The strong interior metal frame helps ensure your serger remains stable on your work surface even at very high speeds. This heavy-duty frame is built for durability and longevity for many years of extended use. Tackle Heavy Fabrics This machine lets you serge with confidence on multiple layers of denim layered knits and heavy-duty fabrics. Professionally cut and finish in one easy step on a wide range of projects. Up to 1 300 Stitches Per Minute Get more serging done faster with the ability to sew up to 1 300 stitches per minute. Simply using less pressure on the foot controller allows you to sew slower to suit your comfort level and project. Wide Extension Table The wide detachable table keeps heavy fabrics on a level surface with the needle helping to prevent excess pulling on the needle and thread for better finishing. Color-Coded Threading Guides The color-coded guides printed on the machine show you exactly where to place each thread for trouble-free threading. No need to pull out the manual when you want to thread your machine! Removable Trim Trap The trim trap collects the fabric trim as the serger knife trims your project and can be easily detached from the serger. Also the trim trap can conveniently store your foot controller when not in use. Differential Feed Ratio 0.7 to 2.0 The differential feed controls the movement of the feed dogs that move the fabric through the machine. The ability to adjust the feed dogs helps provide smooth even stitching and versatility. With a turn of the dial you can help prevent puckers in lightweight fabrics create gathers or create decorative lettuce edges. Convenient Stitch Width Control Simply turn the stitch width adjustment dial to change your stitch width between 5.0mm (3/16 inch) and 7.0mm (9/32 inch). Adjusting the stitch width allows you to create serged seam finishes that lie flat especially on lightweight fabrics. Standard Foot The included Standard serging foot is a great general-purpose foot for a wide range of everyday serging projects such as seams and rolled hems. Your fabric edge will be sewn and trimmed in one easy step. Blind Hem Stitch Foot Create blind hems on a variety of fabrics. This foot is perfect for edge stitching attaching lace or fabric and edge joining. An adjustable open-toed guide makes this a great foot for both embellishing and utility stitching. Gathering Foot This foot allows for easy gathering connecting fabric and edge finishing in one step. A channel on the foot secures fabric helping to eliminate the need for pins as you create a serged edge and gather single or double layers of fabric. Simthread 1100 Yards 24 Assorted Colors Trilobal Polyester Embroidery Machine Thread 24 Mini King Spools kit + Thread Nets (help to keep thread after you take off the plastic cover) contains 24 assorted brigh