Leather Teflon Roller Feet Foot Bernina 530,700,830,800,801,801S,850,900,930,950 This listing is for a Brand New High Quality pair of one ROLLER Foot and one teflon bottom foot that fits BERNINA OLD STYLE machines Excellent for sewing on leather or smooth surface. These two feet are not made by Bernina. It has a removeable adapter that you can use to transform many other presser feet that could be used by these Bernina Old Style machines.