Lead refills for Japanese Kita-Boshi OTP-series 2mm mechanical pencils, which created for those who prefer the feel of wooden hexagonal pencil while enjoying the advantage of a mechanical pencil. These high-quality, Japan-made 2mm leads are crafted by uniformly mixing pure graphite and clay, to achieve the ultimate resilience to breaking and the excellent smoothness. Perfect for writing, sketching, drawin and scantron test, etc. Refill leads come in packs of 5 in a sturdy cylindrical cardboard holder. Available in HB #2 black lead, B #1 black lead, 2B black lead, and red lead.