Unique "Twist and Click" retractable mechanism of the entire sleeve and lead: pocket safe + durability. Comes in a silver finish and holds 0.7 mm lead Ergonomic metal barrel. Full metal body providing ideal balance of weight and feeling. Hexagonal barrel ensuring fatigue-free writing and drawing. Shaped to prevent the tool from sliding when laid down on tables. Non-slip metal knurled grip rOtring pencil technology. rOtring brass mechanism for precision lead advancement. Fixed lead guidance sleeve preventing break and offering an unimpeded view of the page for precise ruler-based drawing. Retractable mechanism for safety and durability Fixed sleeve offers an unimpeded view of the page for precise ruler-based drawing Built in eraser under the push-button cap