The Juki Ruler Foot for TL Series Sewing Machines has a head that is 1/4 thick, making ruler sewing so easy, and allows you to adjust the height of the foot for several sizes of rulers. This is an original/authentic Juki part. Ruler sewing has become very popular, and now you can take part in the trend with your TL Series machine after you purchase this Juki Ruler Foot for TL Series Sewing Machines..