Description These are very good sewing machine accessories made of premium materials to replace the one you damaged earlier. Very durable and can be used for a long time without worrying that they will be easily damaged. Features -Color: White -Material: Plastic -Size: About 4.45X4.45X1.60cm/1.75X1.75X0.63in -Note: Compatible for Singer51113-456 series sewing machine - These products are adopted with premium material, which can be use for a long time. - These products are designed with light weight and portable, easy to use and store. - These products have exquisite workmanship, which guarantees practicability and durability. - Although the design of these products is simple, they are so practical when you use them. - The double head sewing spool caps are made of plastic material, not easy to break which allows you to use for long time as replacements. These products are adopted with premium material, which can be use for a long time. These products are designed with light weight and portable, easy to use and store. These products have exquisite workmanship, which guarantees practicability and durability. Although the design of these products is simple, they are so practical when you use them. The double head sewing spool caps are made of plastic material, not easy to break which allows you to use for long time as replacements.