Replacement Slide Cover Plate, 4129639-01, for HUSQVARNA VIKING and PFAFF Sewing Machine Models : HUSQVARNA VIKING : Designer Diamond, Designer Diamond deLuxe, Designer Diamond Royale, Designer Ruby, Designer Ruby deLuxe, Designer Ruby Royale, 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 830, Sapphire 835, Sapphire 850, Sapphire 855, Sapphire 870, Sapphire 875, Sapphire 930, Sapphire 960Q, Tribute 140C, Tribute 145C. PFAFF Creative 2.0, Creative 3.0, Creative 4.0, Creative 4.5, Creative Performance, Creative Sensation, Creative Sensation Pro, 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, Quilt Expression 4.0, Quilt Expression 4.2.