This 1 oz jar is designed to hold lubricant for a sewing machine. It attaches to the machine with a clamp bracket that is secured by a screw on top of the machine. Specifications Capacity: 1 oz Product Type: Lubrication Jar with Clamp Bracket Mounting Method: Bracket clamps onto the machine with a screw on top of the machine Application: Sewing machines that have a screw on top of the machine for clamping the bracket Fitment Note: Verify original part dimensions and specifications before purchase to ensure proper fit. Package Includes 1 x 1 oz Jar with Clamp Bracket