For Sewline Mechanical Pencils. 0.9mm ceramic lead colored with water-soluble dyes specially formulated for fabrics. Contains six refill leads. Multi-color pack contains 9 leads - three of each.
Leads are specially formulated to give a clean, clear line on fabrics. Lines are easily erased from most fabrics with the special Sewline eraser or by dabbing with a damp cloth or washing.
