Staedtler Mars Technico Lead Holder, 2mm Lead, Blue Lead Holder works with all standard 2mm leads. Ideal for technical drawings and graphic art illustrations. Features sturdy, lightweight barrel and knurled metal finger grip that keeps fingers from slipping. Super-lock clutch firmly grips lead to eliminate unwanted movement. Includes a lead pointer built into the pushbutton that sharpens leads as accurately as any separate lead pointer.