To create flawless buttonholes, achieving the perfect fit is essential. The good news is that with this snap-on foot, you can effortlessly measure your button using its clamp system. This innovative foot (Part Number: BRO XC2691133, also known as RXC2691133, XC2691023, XC2691033) ensures that you will always sew even-sized and precise buttonholes, time after time!