Apply this sewing machine oil generously to clean your sergers and sewing machines. Formulated to keep dirt, dust, and rust away, it helps keep your sewing machines in good working condition. You can also use it for other household items that require a little lubrication for maintenance. It features a flexible telescoping spout which extends from 2-9" and reaches difficult areas your machines. One 4-oz bottle of sewing machine oil is included in this package.