BC DBM(2)NBL Sewing Machine Bobbin Case Stainless Steel Portable Replacement Bobbin Case for 246 Small Mouth Sewing Machines 1Stainless Steel: Replacement bobbin case is made of stainless steel, sturdy and durable, very practical and can be used for a long time. 2Perfect Replacement: Sewing machine bobbin case is an important part of the sewing machine, easy to install and use. Suitable for 246 small mouth industrial sewing machine. 3Small and Lightweight: Small size and light weight, compact and portable, easy to carry around and store in bags, pockets, boxes, etc., without taking up too much space. 4Easy to Use: Simply insert the bobbin into the case and ensure it is securely in place. Achieve professional sewing results with ease using. 5Stable Construction: The stainless steel construction provides fluent bobbin winding and consistent thread tension, resulting in neat and professional stitching.