Compatibility: This foot pedal has a wide range of applications and meets or exceeds the original factory specifications, can be directly replaced to meet your various needs. It is widely used in sewing machines, simple design and easy to operate, suitable for Singer, for Butterfly, for JUKI, most of these sewing machines, applicable models such as: Single 4411 Heavy Duty, 4423 Heavy Duty. Professional tools: This pedal has high precision and sensitivity and can improve safety. Designed to have the same shape, form and function as the original part, can directly replace the broken or shabby one. This electronic pedal can work in without overheating. High quality materials: This pedal is made of high quality plastic material, which is rustless, anti-corrosion and high strength for maximum durability. The surface is smooth and burr-free, coating treatment, no stains, and the hand feels delicate and comfortable. Strict quality control standards, improved design can extend service life. Variable speed: This treadle with power cord is a convenient sewing machine part to replace the broken ones. Electronic foot control With cable, variable speed and its cord (from the foot of the machine) is approximately 2 feet long, which is perfect for a large sewing table. Production guarantee: From the purchase of the original materials to the factory inspection of the products, checks must be carried out at each stage, and each stage has a record. The records of each product production quality control link are traceable, and unqualified parts are never allowed to enter the next process, so that each factory product is qualified to .