Invisible Zipper Foot Compatible with Husqvarna Viking Sewing Machines. Compatible Part Number # : 4126870-45 To properly install an invisible zipper, you must have an Invisible Zipper Foot. As the zipper coils are guided through the tunnel system, the needle sews as close to the coils as possible. This easy-to-use foot ensures your zippers are finished professionally and rival that of any high quality garment Compatible with below Husqvarna Viking models. Group 7 models : Designer SE, Designer I USB, Designer I ESS, Designer I, Quilt Designer II, Designer II, Quilt Designer, Designer Diamond Group 6 models : Platinum 955 E, 950 E, Platinum Plus, Platinum 770, 775, Platinum 750 Quilt, 755 Quilt, Platinum 730, 735, Platinum 715 Group 5 models : Emerald 116, 118, 122, Prelude 340, 360, 350, 370 Prelude, Scandinavia 100, Daisy 335, 330, 325, 320, 315, 310, Oscar Group 4 models : Classica 105, 100, 95, 90 Group 3 models : Optima 630, 620, 610, 190, 185, 180, 150, 120 Group 2 models : Prisma 990 S, 990, 980, 960, 950 S, 950, 945, 940 Group 1 models : Orchidea, 1250, #1, #1+, 1200, 1100, 1090, 1070, 1050 Group D models : All 2000, 3000, 6000 series, 1010, 1030, 1040, 3010, 3310, 3610, 5610, 5710, 6570, 6690, 3240