It can add delicate and beautiful rolled hems to your projects. Suitable for most of household low shank snap-on sewing machines. Comes with 3pcs, 4/8", 6/8" and 8/8" rolled hem foot. Features: Made of premium metal, it is strong and solid with high durability. Make hemming sewing tasks become much easier. Easy to snap-on, quick-mount wide curling sewing machine snap on overcasting presser foot. It fits machines that use standard snap-on foot holder. 3 hemming sizes: 4/8", 6/8" and 8/8", meet your different needs. Widely used in clothes and other projects with lightweight fabric. How to use: 1. This presser feet set contains three size in 1/2'', 3/4'' and 1''. Please pick up your correct size to your project. 2. There is the dimension of products in the bottom left corner. 3. Please loosen the screw of the presser foot before your installation. 4. Insert the fabric into guide groove of presser foot. Slide around the guide groove of the presser foot to adjust the appropriate position for the width of fabric. 5. Tighten the screws and draw the fabric to the back of guide slot. 6. Attach the presser foot with fabric equipped to your sewing machine. Start your sewing machine up, and you need to pull the end of the fabric outward during the operation of the sewing machine, that this operation can be kept running. Specifications: Material: metal Color: silver Type: 4/8"(13mm), 6/8"(19mm), 8/8"(25mm)(All Included) Item size: approx.49 * 43 * 12mm / 1.93 * 1.69 * 0.47in Package size: 150 * 100 * 80mm / 5.91 * 3.94 * 3.15in Total item weight: 65g / 2.29oz Package weight: 73g / 2.57oz Note: Please allow 1-5mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Package List: 1 * 1/2" Hemmer Foot 1 * 3/4" Hemmer Foot 1 * 1" Hemmer Foot