A.0.2-3mm B.0.3-4mm C.0.4-5mm D.0.5-6mm
A.0.2-3mm B.0.3-3mm C.0.4-5mm D.0.5-6mm
A.自由鍛造 B.模型鍛造 C.鍛造 D.手工鍛造