Product Description:

Our Bobbin cases are commonly made of metal, such as aluminum or steel. It allows users to fine-tune the tension of the lower thread. Proper tension is essential for achieving balanced and neat stitches. Regular cleaning and maintenance of the bobbin case are essential for optimal sewing machine performance.

• Color :Black
• Material :Alloy Steel
• Product Dimensions: 3.93 x 6.29 x 0.23 inches
• Item Weight: ‎0.16 ounces
• Net Quantity: 1.00 count