The Heavy Duty 4411 sewing machine is designed with your heavy duty projects in mind, from denim to canvas. Thanks to the machine’s powerful motor, you have extra high sewing speed to save you time. With Adjustable Presser Foot Pressure, you can also sew very lightweight sheers, and the stainless steel bedplate allows fabrics to glide over the machine with ease. 50% more power for thick fabrics. 69 Stitch Applications for essential sewing techniques. Extra high sewing speed. Quick and easy-to-follow threading guides. Use SINGER Class 15 Transparent bobbins. Bobbins (class 15 transparent).