Pica BIG-Dry Graphite Refill Leads, 12PK are designed to provide reliable and versatile marking solutions for a variety of surfaces. Each pack contains 12 rectangular graphite leads, measuring 2 x 5mm in profile and 150mm in length, neatly stored in a convenient plastic box with a two-piece wing lid for easy access. These leads perform well on most materials, whether dry or wet, glossy or rough, dusty or oily, making them i for multiple applications. Marks made with these leads can be easily wiped clean from glossy surfaces using a damp cloth, and they become invisible when painted over with dispersion paint, ensuring clean and professional results every time. Model Number: 6030