This foot is used to Hold the button while you sew it onto your garment This sewing machine foot will fit many of the popular brands such as Austin, Brother, Singer, Toyota, Janome, Babylock and many more. If you are not sure the foot will fit your sewing machine, please send us a message with the make and model of your machine and we will let you know if it fits. We at Austin sewing Machines have a 100% money back guarantee. If you are not happy with your purchase for any reason or it just does not fit, all you have to do is return the item to us in the condition you received it and we will fully refund you.