Quint Measuring Systems CW914 9-Degree Circle Wedge, 14-Inch Ideal for making circles Made of unbreakable plastic under normal usage It can be used to make quilts, Christmas tree skirts, table clothes, placemats, skirts, hats and more A locking screw holds an angle in position for marking, scribing or measuring This package contains one 9 degree circle wedge 14 Inch long with 1 Inch measuring