Manual pencil sharpener, great for the office, artists, kids who need pencils Usage: - Hand crank pencil sharpener 1. Fix the pencil at the using position. 2. Press down the front cover button and then you can use it to sharp a pencil. Sharpening is finished when idling appears. Attention: 1. This product can only be used to sharp common pencil cores. Do not use it for sharpening soft pens like: wax crayon or oil painting stick, because the blade trough may be jammed. 2. If idling or sharpening failure appears in the process of use, check whether the pencil core is broken in the tapered bore of blade carrier. If yes, clear off the broken pencil core. Parameters: Suit For: Hexagon, round, triangle wooden pencil, outside diameters 6-8mm Product Size: 5.8 X 4.8 X 8.5 cm/ 2.3 X 1.9 X 3.3 inch Color: Red/Green/Blue