Paper Mate Lead Refills Lead_Degree_Hardness - HB Lead_Color - Black Refills_For - Auto: Advance, All Logo, Aspire, Clear Point, Clickster, Clickster Grip, Comfortmate, G-Force, PhD, PhD UltaProtouch II, Sanford Technician, Technician II, Titanium, TopNotch Grip, Vibz, Visibility, Xtend Lead_Diameter - 0.5 mm