For use with 1/4" ruler-work foot on any quilting or sewing machine
Helps quilter lay down accurate, repeatable design lines
Use to quilt 1, 2, 3, and 4" clamshells
Made in United States
Good Measure Every Clamshell Machine Quilting Ruler Set by Amanda Murphy is a set of two 1/4" thick rulers to be used as guides for machine quilting. Use them to make 1-,2-, 3-, and 4 inch Clamshells Rulers have markings that clearly indicate the previous row's quilting lines, not found on other ruler, not found on other rulers All have non-slip backing