Sew Tech Embroidery Hoop SA428 for Brother & Babylock The Sew Tech SA428 is a replacement for the Brother SA428 and the Baby Lock EF65 Hoops. The embroidery field is 6 x 10 (160mm x 260mm). This large embroidery Hoop is a multi-positioning hoop. Perfect for larger designs or combining several smaller designs. This hoop is a must have for the home embroiderer.