There aren’t many things that will drive you crazy like trying to write something, only to discover you are out of lead. Don’t let it happen again; stock up on your favorite Pica refill. The 6030 BIG Dry Graphite Refill is a water soluble “for all” lead. It is universally applicable for most materials, no matter if wet, dry, glossy or dusty. Lead can be wiped clean from your work surface with a damp cloth. The 6030 rectangular leads measure at a 2x5mm profile and 150mm in length. Each 6030 pack contains 12 leads inside a sturdy, reusable plastic case.