Amazon.com: Sew Tech Small Embroidery Hoop for Singer Futura XL400 420 550 580 Quartet Superb etc., Sewing and Embroidery Machine 5x5.5 inch (125x140 mm) Hoops
The Singer Featherweight 222K – Simply a Sewing Sensation | thestitchsharer
I get an error message when my hoop is attached? How do I correct? | SINGER Futura Support
Embroidery Hoop (6x10), Singer #68002725 : Sewing Parts Online