Body:Low Carbon Steel Mandrel:Carbon Steel
Body:Aluminium(Mg2.5) Mandrel:Aluminium 7A03
Material:Aluminium(Mg2.5/5.0)
Body:Low Carbon steel Mandrel:Carbon steel
Body:Aluminium(Mg3.5) Mandrel:Carbon steel
Body:Aluminium(Mg5.0) Mandrel:Carbon steel