overlock looper set compatible with Singer 14U44 includes upper looper and lower looper to restore 3 thread and 4 thread stitches for edging seaming and hemming on a home serger Replacement parts for overlock sewing machines have a structure that matches the thread path, and when installed in the looper mounting position, they help create stable stitches. upper and lower looper metal build with precise curved profile and smooth eyelet guides thread through the cycle supports cotton knit denim and light canvas for dependable stitch results overlock repair kit easy to install remove old loopers with a small screwdriver align pivot points seat new loopers test by turning handwheel then thread following color guides to reduce skips overlocker accessory ideal for home sewing rooms studios classes cosplay and craft work useful for clothing edges rolled hems napkins babywear and accessories keeping your serger ready, Manufacturer: eMagTech