Sold as 1 Each. Mechanical pencils are ready to use right out of the box. Includes one mechanical pencil per pack. Convenient pocket or notebook clip. 0.5mm lead size creates finer lines and texts. Refillable lead makes it economical. Safety Data Sheet. Transparent blue barrel. Built-in erasers allow you to correct mistakes and make changes anytime. 0.5mm medium hardness lead. The retractable mechanism allows you to use lead when you need it and keep it from breaking when you don't.