This Tactile Turn Bolt Action Slim Mechanical Pencil is made of titanium. The Bolt Action Mechanical Pencil is a perfect addition to the pocket of any student, mathematician, engineer, or just about anyone else who likes the ability to erase. This pencil holds standard 0.7mm leads. It comes with 3 erasers and replacement lead. Features: Stainless steel pocket clip for comfortable EDC. Bolt-Action lever mechanism offers quick lead access. Compatible with standard 0.7mm leads and proprietary erasers.