Upper looper for industrial overlock machine

The upper looper is an essential and precise spare part in industrial overlock machines. Its function is to catch the upper thread and form the upper loop stitch, working in harmony with the needle and the lower looper needle to complete a strong and beautiful overlock stitch. Regularly replacing this part when exposed to bending or wear is crucial to maintain reliability and prevent skipped stitches. Properties and features: Precise loop formation: Specifically designed to catch and pass the upper thread accurately to form the loop part of the stitch. Standard industrial quality: Made of high-quality steel and finely polished to withstand high speeds of industrial machines. Improving stitch efficiency: Ensures proper operation of the upper looper, reducing the likelihood of skipped stitches and weak seam integrity. The upper looper is compatible with many industrial overlock machines that use standard looper parts. Here is a list of the most prominent compatible brands and series (please always check your machine's manual to confirm the part number): Compatible with: 700, 737, 747, 757 machines.