Electric Pencil Sharpener Heavy-Duty Pencil Sharpener - The heavy-duty stainless steel helical blade with 3000 sharpening times. Sharpening can be done in 8-12s. Note: NOT for wax or other extra soft pencils. Specification: Item Name: AFMAT Electric Pencil Sharpener Power Supply (Adapter): AC 100-240V 50/60Hz, 9.0V-1000mA Sharpening Time: about 6-10s Suitable Pencil Diameter: 6-8.5mm Suitable Pencil Type: Sketching/Charcoal/Colored/Graphite Pencils such as Prismacolor, Derwent, STAEDTLER, Conté à Paris. Note: NOT for wax-based color pencils or other extra soft pencils as they may clog the cutter. Dimension: 3.5 x 3.5 x 6.4in What You'll Get: 1 x Long Point pencil sharpener 1 x Power Adapter 1 x User Manual