Derwent Battery Operated Eraser, Artist Tool, Drawing, Art Supplies (2301931) , Black Description Erasers are used for more than just providing precise media removal. An eraser is actually an artist's tool, much like a burnisher or blender. The Derwent battery operated model will thoroughly erase the darkest graphite with ease, but you can also use it for pencil and charcoal edge cleanup, for creating crisp, erased edges within tight areas and for pulling out small detail highlights in a graphite drawings. The operating button is positioned on top of the eraser for right and left-handed users. A favorite for artists of all levels, it includes 8 erasers and requires 2 AAA batteries (not included). Features: Battery operated eraser includes 8 erasers; requires 2 AAA batteries (not included, Best with Polaroid AAA Batteries) Long-lasting erasers are easy to remove and replace; top-mounted on/off button is perfect for right and left-handed use; comfortable in hand Offering precision and speed the battery operated eraser is just what you need to correct small areas of work quickly **VERY IMPORTANT** NOTE: Refer the Instructional Video before use which is highly recommended. Product Details: Brand: Derwent Color: Black Material: Charcoal Product Dimensions: 8"L x 0.83"W Model Name: pencil Manufacturer: ‎Derwent Brand: ‎Derwent Item Weight: ‎0.32 ounces Product Dimensions: ‎8 x 0.83 x 3.11 inches Item model number: ‎2301931 Batteries: ‎2 AAA batteries required. Is Discontinued By Manufacturer: ‎No Color: ‎Black Closure: ‎Button Shape: ‎Pen Material Type: ‎Charcoal Number of Items: ‎1 Size: ‎1 Count (Pack of 1) Ink Color: ‎Black Manufacturer Part Number: ‎2301931 Date First Available: March 23, 2009