Description: Made of high quality plastic & Stainless steel material, durable and sturdy, High speed rotation, efficient and convenient,Simple to install and easy to use. Ensure smooth and freely use, not block the line, disconnection and other issues. Model: #627569106 Fit for Janome Model 4618 Bobbin Case Size Chart: Outer Diameter: 40mm / 1.57inch Inner Diameter:21mm / 0.83inch Height:15mm / 0.59inch Package Includes: 1 Piece of Sewing Rotary Hook
