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■ 750g/7.35N±0.1N
■Three points are touched on the tested surface（roller、pencil lead）
■ The angle between pencil and the tested surface： 45°
■ Built-in spirit bubble, convenient to check level when tester is working
■ Pressure of pencil tip：500g/750g/765g/1000g
■ Packing List：
① Pencil Hardness Tester, Body
② 1 Set of Pencils (13): 6B-5B-4B-3B-2B-B-HB-H-2H-3H-4H-5H-6H（Mitsubishi)
③ Special Pencil Sharpener
④ Abrasive Paper, 400 grade grit.
⑤ Calibration Certificate
