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This sharpener named SHARPY prevents the hands from getting dirty and keeps the pencil case clean as well. A simple twist of the core covers the opening and therefore no dirt can get outside. To empty the sharpener the core needs to be pressed into the hollow space, until the other end opens and the remains will drop out. The sharpener can be operated by one hand. Furthermore the user will have no more contact with graphitdust while emptying, as is the case with conventional container sharpeners.