Guaranteed to fit Husqvarna Viking Sewing Machine Models:
Designer 1, Designer Diamond, Designer Diamond deLuxe, Designer Diamond Royale, Designer I ESS, Designer I USB, Designer Ruby, Designer Ruby deLuxe, Designer Ruby Royale, Designer SE, Designer Topaz 20, Designer Topaz 25, Designer Topaz 30, Designer Topaz 40, Designer Topaz 50, Eden Rose 250C, Opal 650, Opal 670, Opal 690Q, Sapphire 835, Sapphire 850, Sapphire 855, Sapphire 870 Quilt, Sapphire 875 Quilt, Sapphire 930, Sapphire 960Q, Tribute 140C

Guaranteed to fit Pfaff Sewing Machine Models:
Creative 2.0, Creative 3.0, Creative 4.0, Creative 4.5, Creative Performance, Creative Sensation, Creative Sensation Pro, Creative Sensation Pro 2, Creative Vision, Creative Vision 5.0, Creative Vision 5.5, Expression 2.0, Expression 3.0, Expression 3.2, Expression 3.5, Expression 150, Performance 5.0, Performance 5.2, Quilt Expression 4.0, Quilt Expression 4.2, Quilt Expression 710, Quilt Expression 720