water soluble “MULTI-USE” Leads For almost all surfaces, no matter if dry or wet, glossy or rough, dusty or oily, bright or dark Wipe clean from glossy surfaces with a damp cloth Leads are already sharpened In a convenient and sturdy plastic box Protect red & yellow from temperatures above 30°C Diameter: 2.8 mm, Length: 125 mm Available in: Sets of 10 leads: either graphite, red or yellow Set of 8 leads assorted: 4 graphite, 2 red, 2 yellow