Derwent
USB Rechargeable Eraser & Refills

This USB rechargeable eraser from Derwent comes with a built-in 500mAh lithium-ion battery which is recharged by USB for convenience and long-lasting charge.  The extra-fine eraser is ideal for fine hairline erasing for detailed artwork and technical drawing. 

Features:

• The function button is designed to push on and off when required, allowing for maximum control
• Erases quickly and precisely
• Non-abrasive with circular motor movement
• Eraser is suitable for left and right-hand use
• USB charging lead and 20 eraser refills, (ten large 5mm erasers and ten extra-fine 2.4mm-diameter erasers)

• Outside Dimensions:
• Product Weight: .06 lbs.