Singer Universal Ball Point Overlock Machine Needles for Knit Fabric, Size 80/12, 3-Pack Use needles for sewing lightweight knit fabrics For use on Singer overlock machines and other brand machines which require a BLx2 or JLx1 needle Flat shank for easy insertion and double grooved for exceptional sewing performance It is easy to select the proper needle and size with singer color-coded needles 3 Size 80/12 needles