This is a standard CB/oscillating-hook replacement case
drop-in metal bobbin built to the Class 66 standard -- the domed
Platinum Plus and Quilt Designer II
it is not a top-drop-in bobbin holder or a complete hook and shuttle assembly
Baby Lock-Compatible Straight-Stitch Foot, Snap-On | BL1108, BL2000 & More Overlock Machines This is a standard CB/oscillating-hookSew fine fabrics and narrow seams with a metal snap on straight stitch foot. Its small needle opening supports the fabric close to the needle, helping reduce puckering, skipped stitches and fabric being pushed into the needle plate opening. Listed Baby Lock fitment includes BL1108, BL2000, BL2200, BL2300 and BL500, plus additional Baby Lock Snap O Matic models. The same non branded foot is sold for listed Alphasew, Bernina Bernette, Brother, Dial Sew,