Cosmos &reg; Pack of 3 Assorted Colors Aluminum Pencil Lengthener Extender Holder Pencil lengthener comes in assorted colors: green, purple, blue Standard size fit for most pencils When your pencil becomes too short to hold, just insert it into this handy tool and carry on using it It becomes a writing instrument by making shorter pencils feel more balanced as it allows for a better grip. 7 mm diameter x 105 mm long