If you use quilt rulers you need these rings! Place a 1/4 Guide Ring on the tip of your finger to easily measure the 1/4 from the ruler to where the quilt line will be sewn. Also works great for hand sewing to measure 1/4 seams. Try a 1/4 Guide Ring on your index finger or on your thumb. The set includes 8 different sizes so you can choose the perfect fit. The sizes are marked inside each ring so you can order more of a specific size if desired. Includes a stand to hold all the rings in order and a clear plastic jar to store them.* Made of: Plastic* Use: Adding Quarter Inch * Size: Multiple