工业级尖尾棘轮扳手 高碳钢锻造 硬度高韧性好扭矩大 Industrial grade sharp end ratchet wrench High carbon steel forging High hardness,good toughness and high torque Industrial grade sharp end ratchet wrench High carbon stea fo rging High hardness,good toughness and high torque 16 N 9r $ GT