Sew Tech Embroidery Hoop SA426 for Brother & Babylock The Sew Tech Embroidery Hoop replaces the Brother SA426 & Bablylock EF63 Hoops. This small monogramming hoop or small motif hoop is for small embroidery in small places. This hoop is a great size for monograms as well as adding small designs to collars and cuffs as well as infant wear. This is a must have for the home embroiderer. The embroidery field measures 1" x 2.5" (20mm x 60mm).