USB rechargeable eraser comes with a built-in battery which is recharged by USB. Includes: USB charging lead and 20 eraser refills (10 large erasers 5mm & 10 extra fine eraser 2.4mm diameter).

The extra fine eraser is perfect for fine hair line erasing for detailed artwork and technical drawing. Suitable for left and right hand use. Erases quickly and precisely. Non abrasive with circular motor movement. Eraser Refills are also available here.