Because it’s designed for straight-stitching, Patchwork foot #37 is ideal for sewing 1/4” or 1/8” (approx. 3 or 6 mm) seam allowances. In addition, Patchwork foot #37 features three evenly spaced markings (1/4” apart) on its side that make the square insertion of pieces in patchworking easier. A narrow groove under the flat sole serves as a thread channel for smoother piecing. TIP: a large sewing table or cabinet makes quilt piecing easier and promotes greater precision as it supports your patchwork better. Enjoy the ease of sewing afforded by Patchwork foot #37 – your partner when it comes to patchwork and precision stitching techniques. Compatible with the following machines: 125, 125 S, 130, 135, 135 S, 140, 145, 145 S , 150, 153, 153 QE, 155, 160, 163, 165, 170, 180, 185, 200, 210, 220, 230, 230 PE, 240, 430, 435, 440 QE, 450, 630, 640, 730. B 215, B 325, B 330, B 335,B 435, B 475 QE, B 480, B 350 PE, B 380, B 530, B 535,B 540, B 550 QE, B 555, B 560,B 570 QE/QEE, B 590, B 580, B 710, B 720, B 740, B 750 QE, B 770 QE/QEE, B 780, B 790, B 790 PLUS, B 820 QE, B 830, B 880, B 880 PLUS