Product Description Bobbin Case Sewing Machine Parts Compatible with Singer Models #Q6A0764000 Enhance the performance of your Singer sewing machine with our precision-engineered bobbin case, designed to ensure optimal thread tension and smoother stitching. Specifications Compatible Brand: Singer Applicable Models: 2010 (Professional) 2010 Superb 3321 3323 Talent 4411 Heavy Duty 4423 Heavy Duty 44S 5523 Heavy Duty 9100 ET-1 (Perfect Finish) Color: Black Size: Width: 3.5cm Length: 4cm Height: 1.3cm Quantity: 1 pc Features This bobbin case holds the bobbin and controls the tension of the bobbin thread. It includes an adjustable screw to fine-tune the tension for optimal sewing results. For best performance, it is essential to use the designated bobbins compatible with this case to prevent skipped stitches and machine issues. Package Includes 1 x Bobbin Case Notice Please note that there might be slight variations in measurements due to manual measuring. Ensure you are agreeable to this before purchasing. The color of the product may vary slightly due to different display settings.