WQR MECHANICAL PENCIL LEAD REFILLS FOUR Size with Portable Bottles WQR mechanical pencil lead refills have four size of 0.3 0.5 0.7 0.9 mm, with a portable plastic bottle which can protect the leads from broken. Easy to take away. Standard 60MM Lead Refills These mechanical pencil lead refills come with 60 pieces(2 tubes) pencil lead refills. Lead is 60 mm long, suitable for any mechanical pencil. Easy to Erase The HB #2 Lead Refills are made of organic resin which is not easy to fade, and keeps for a long time. Handwriting can be erased easily without any marking on your paper. Writing & Drawing Smoothly Our lead refills are made of advanced technology which is focus on proper concentration and saturation that people can writing with it smoothly and comfortable. Perfect for daily writing, drawing, drafting & Sketching!