Unique Twist & Click retractable mechanism of the entire sleeve & lead: pocket safe + durability. Retract the pencil & use the stylus without the hassle of turning the tool around. Its all on the same end. Hexagonal barrel ensuring fatigue-free writing & drawing. Shaped to prevent the tool from sliding when laid down on tables. Non-slip metal knurled grip. Precision stylus tip for high accuracy, control & speed. 100% effective at every angle. Soft tip glides smoothly & is compatible with all capacitive touchscreens. Replaceable tip. Rotring brass mechanism for precision lead advancement. Fixed lead guidance sleeve preventing break & offering an unimpeded view of the page for precise ruler-based drawing. Built-in eraser under the push-button cap. Refillable. Loaded with high-polymer HB leads.