TAS Accessories Manual Pencil Sharpener, Black - No Cords or Batteries, No Need to Pull the Pencil With Auto Suction Function SUPREME DURABILITY - Full metal sharpening mechanism appropriate for triangle, hexagon, or round pencils between 7-8mm. Perfect for high-volume daily use by teachers and students in school! MORE RELIABLE THAN ELECTRONIC - Avoid expensive batteries and messy cords with an old-fashioned hand-cranked sharpener. Not only are these quieter, they are much less likely to have problems or break! ULTIMATE CONVENIENCE - Automatic suction pulls pencil in when turned clockwise and pushes it out when turned the other way. Easy to create perfect pointed tips with no worry of an uneven sharpen! EASY TO CLEAN - When the shavings get full, simply pull out the waste box to dump and clean. Made of thick and easy to handle plastic that does not have any sort of imported factory smell! 100% SATISFACTION GUARANTEED - If you are not absolutely happy with our TAS Accessories Pencil Sharpener for any reason, simply send if back for a full refund. No questions asked! Turn the crank clockwise Pencil will be automatically dragged inside Turn the crank counterclockwise Pencil will be automatically pulled out Hole fits hexagon or round 7-8 mm pencils Light and extremely strong case Easy to clean waste box Full metal sharpening mechanism