XIANQI High Quality Premium Roller Sewing Feet Material: Made of clear plastic with metal rollers. Roller Sewing Machine Presser Foot Function - Effective for preventing fabric (stretchy materials like jerseys and knitted fabrics or hard-to-feed materials like leather or vinyl) from slipping or puckering, because the presser foot rotates to feed the upper layer together with the lower layer without slippage, to make the upper layer and lower layer fed simultaneously. Specially designed for sewing leather fabrics. Simple and practical design, and easy to use. Fits All Low Shank Snap-On Singer, Brother, Babylock, Euro-Pro, Janome, Kenmore, White, Juki, New Home, Simplicity, Necchi and Elna Sewing Machines Color: Clear and Silver Size: 2.7x1.7x0.5cm Product includes: 1x sewing machine foot