PIPING HOT BINDING includes the following 3 items. Groovin' Piping Trimming Tool To create a perfect seam allowance on piping, simply lay the tool over sewn piping with the cording in the groove then cut along the tool's edge with a rotary cutter. Voila ... a perfect seam allowance. The tool is 11.5 in in length so it's possible to trim 400 in of piping in about 20 minutes! Two grooves are available offering 1/4 in and 1/2 in seam allowances Use with cording up to 1/8 in in diameter. Turn the ruler for use left-handed. Use any size rotary cutter: 28mm, 45m or 60mm. (Rotary cutter is not included.) Manufactured in the USA. Bookle Sixteen pages of instructions cover every detail of adding amazing piped bindings to quilts. In 1998 Susan started teaching this technique and has taught many quilters, from beginners to experts, to create special bindings for their quilts. These instructions have benefited from years of experience and the quilters who have given feedback on this technique. Printed in the USA Cording. 5yds of 1/16 in piping cording is included in this package. This is the cording Susan uses in her Quilts.