Standard Bobbin Winder Rubber Tire Ring. Part # 15287 You will receive two(2) rings. Size : 1/4" thick, 9/16" inside diameter, 1-1/8" outside diameter. Fits following models and many more : Babylock : BL500A (Jane), BL1550, BL1556, BL2100, BL2150, BL2160, BL5000, BL6000, BL6200, BL6300, BL6600, BL6700, BL6800, BL7500, BL8000, BL8500, BL9500, BLQP (Quilter's Choice Pro), ESI, ESI2, EMI1, & EM2 Berina : Deco 500, Deco 600