COATS CLARK-Dual Duty XP Heavy Weight Thread. This thread was designed to meet the needs of sewers when it came to denim double knits drapery fabric faux fur felt fleece leather and faux leather quilted fabrics sweater knits ticking twill upholstery canvas duck and sail cloth. Recommended needles: Machine: 14(90) 16(100) or 18(110) Hand: sizes 1 to 6. This thread is ideal for bold topstitching cording and stitching hand-worked buttonholes. Obtain a smooth beautiful finish consistent tension balanced twist excellent stitch formation low breakage color-fast and weather resistant with this unique polyester wrapped core spun thread produced using a new advanced spinning technology. Spool features the dual-trap system for a more secure storage without the spool unwinding. 125 yards/114 meters. Imported. Spool features the dual-trap system for a more secure storage without the spool unwinding Recommended needles: Machine: 9(65) Hand: sizes 9 and 10 His extra performance thread is ideal for lingerie bridal/formal fashions Batiste chiffon nylon tricot organza voile as well as other sheer fabrics