Pack includes, two Precise 0.5 Mogulair pencils, one tube 0.5mm HB lead and three refill erasers. The pencils in this pack include both a black and white barrel. The Precise 0.5 Mogulair mechanical pencil delivers an ultra-smooth, precise, break-free writing experience. 50% of impact is absorbed when the lead moves within the barrel, allowing for superior handwriting. Active suspension mechanism ensures smooth writing, reduces pressure on the lead and keeps it from breaking. Shaker mechanism advances the lead by simply shaking the pencil - no need to change your grip. 0.5mm pencil works with all 0.5mm mechanical pencil lead.