Check the listing for details. Improved Nylon gear replacement Panasonic model KP-110 pencil sharpener 80 tooth. Condition: New. Listed at 8.88 USD. Panasonic KP-110 Electric Pencil Sharpener replacement nylon gear 80 teethOuter diameter 47.2 mm This fine Nylon gear has improved design for better durability and performanceOur gear is 50% stronger compare to OEM and other replacementsIt fit snugly and won't slip of the shaft thanks to fine tuned center holemade out of Nylon - tough and flexible plasticNylon naturally slippery, no lubrication on gear teeth required!We recommend 1 drop of machine oil on to the cutter shaft though. Only Nylons should be used for gears where a slippery surface is desired. All other materials (PLA, ABS, PET, etc.) will grind creating a plastic dust and eventually fail! For details, please review all pictures, or you can find installation videos on YouTube Do not waste your money on ABS or PLA plastic gear that may strip or even melt!