DIENTES DE ARRASTRE SINGER MOD.: SINGER 3503, 3507, 3508, 3514, 3515, 3709-1, 3722-1, 3810-1, 3820-1, 3825-1 COMAPTIBLE CON: Euro Pro Sewing Machine Models: 18525, 6130 Feed Dog, Singer #NB0383001 Item # NB0383001 Guaranteed to fit Singer Sewing Machine Models: 3503, 3507, 3508, 3514, 3515, 3709-1, 3722-1, 3810-1, 3820-1, 3825-1 Product Details Guaranteed to fit Euro Pro Sewing Machine Models: 18525, 6130