This walking foot is called a New Home Closed Toe Walking Foot (7mm). It fits most low shank machines, such as Singer, Janome, New Home, Brother. Consult your machine manufacturer for compatibility.
Partial list of compatible machine models: Bernette 12, 15, 20, 25, 46, 55, 56, 65, 66, 80E, 90E, 92C, H70, London 3, London 5, London 7, London 8, Seville, - Euro Pro 9106, - EverSewn Sparrow 15, 20, 25, 30, - Singer 1105, 1106, 1120, 1130, 1507, 1525, 1725, 1732, 1748, 2009, 2250, 2259, 2263, 2010 (new), 2273, 2277, 2623, 2638, 2639, 2662, 2932, 3221, 3232, 3321, 3323, 3709, 3722, 3810, 3820, 3825, 4166, 4205, 4206, 4210, 4212, 4220, 4228, 4411, 4423, 4432, 4452, 44S, 5400, 5500, 5511, 5523, 5532, 6038, 6160, 6199, 6510, 6550, 6660, 6680, 6699, 7256, 7258, 7285, 7312, 7322, 7350, 7360, 7380, 8090, 8280, 8768, 9100, 9910, 9920, 9940, 9960 One, XL3400, - Viking C10, C20 - Alternative number 006173008, 006185008, 416284301, 502020.59.89, 502020.60.03