This Clover Tracing Wheel with Blunt Edges is great for transferring markings onto your fabrics without damaging the materials themselves. The blunt edges will mark the line without tearing through. This is ideal for use on Chacopy carbon paper. This handy tool will transfer the pattern lines to the paper with a nice, dark, legible line. Its an easy, quick, and accurate method for tracing a pattern. The roulette wheel will move smoothly to imprint your tracing line. Pack size: 19 x 4.4 x 1.3 cm (7.5 x 1.7 x 0.5 inches)Blunt edges to prevent tearingFor use with Chacopy carbon paperClover Tracing Wheel with Blunt Edges