Sew Steady Inset for Horn 2139/2178/3140/3156/3180 and Baby Lock BLQC2 and BL200A. When it comes to sewing, and particularly quilting, an expanded work area is a big help, if not downright essential. And that makes a Sew Steady cabinet insert essential. Sew Steady inserts make the perfect companion to virtually any sewing machine, and our inserts are carefully designed to fit your specific make and model of both sewing machine and cabinet. Each portable insert is custom designed and built for your specific sewing machine. Crafted from high quality, long-lasting acrylic, to exacting standards, all Sew Steady tables feature a rounded edge, a permanent ruler, and many other standout features.