●This 6-hole electric pencil sharpener fits almost all standard and jumbo pencils varying in size(withiφ11.2mm) and shape(round, triangular, hexagonal, etc), and gives a sharp, even, smooth pencil point each time. ●This heavy duty pencil sharpener can sharpen 7000 times without overheating issues which is great for heavy use in school. ●This classroom pencil sharpener is incredibly fast in sharpening speed, 3s for a new pencil and 2s for a used pencil. Teachers must have this breakage-free electric pencil sharpener. ●This colored pencil sharpener will auto stop when the pencil is sharpened well, which really saves pencils. Kids can easily handle this pencil sharpener. ●This pencil sharpener has a larger and see-through shavings bin which rarely needs to clean. The 4 suction cups at the bottom are strong enough to hold this pencil sharpener in place.