deli groove pencil primary school student correct grip position dedicated 2b kindergarten children's word practice hb triangle pole groove pencil 得力洞洞铅笔小学生矫正握姿专用2b幼儿园儿童练字HB三角杆洞洞笔

[common style/hb blue] 50 pcs/barrel [common style/2b blue] 50 pcs/barrel [common style/hb blue] 30 pcs/barrel [common style/2b blue] 30 pcs/barrel [common style/hb blue] 20 pcs/box [common style/hb blue] 10 pcs/box [common style/2b blue] 20 pcs/box [common style/2b blue] 10 pcs/box [common style/hb blue] 100 pcs/barrel [common style/2b blue] 100 pcs/barrel [medium thickness models/2b blue] 10 pcs/box [medium thickness models/hb blue] 10 pcs/box [bold type/hb blue] 30 pcs/barrel

official standard official standard + deli pencil sharpener +5 rubber