Right Spring Edge Guide Top-Stitch Foot Set Compatible with Juki Industrial Walking Foot Machines. This foot set contains one outside foot and one inside foot. The outside foot has a spring loaded right side guide that maintains straight top stitch on leather or upholstery fabrics. This foot is designed for all kinds of general work on leather, upholstery, canvas, etc. Available in following sizes: · 1/8" (3mm) · 5/32" (4mm) · 3/16" (5mm) · 1/4" (6mm) · 5/16" (8mm) · 3/8" (10mm) Compatible with Juki models: LU-1521N, LU-2210, LU-2220N, LU-2810A, LU-2810ES, LU-2828V, PLC2710