Clover® Mechanical Pencils are convenient for marking and copying detailed designs for Applique, Embroidery, Handicrafts, Sewing and Quilting. Each pencil creates extra fine lines, perfect for fine details. Always try it on a swatch of your fabric before using on your project. Mark faintly if removal by fabric eraser is intended. Marks can not be erased once ironed! Can be removed by washing with soap and water, do not dry clean. This is a must have tool for crafters and quilters! .7mm Yellow- Makes extra fine 0.7 mm lines and won't smudge! Has a handy brush attached right on the pencil to brush away eraser pieces. Use for patchwork, quilting and sewing. Read Cautions and care instructions on back before use. Comes with 10 leads.