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It is very wasteful and troublesome always sharpening the pencil to keep it sharp.New sharpening free pencil has a triangular lead and recycle-paper-rolled pen holder.The triangular shape ensures that it always has an sharp angle. When the pencil tip is too short to write, you just tear off the paper to expose more lead. With sharpening free pencil,you no longer need to take a pencil sharpener and the lead is not wasted at all.
Xuemeng Li Hui Wang Haolin Xuan Zhuying Yu Hui Lin Yilin Lu