Coils: 10 wrap Frame material: Aluminium alloy FEATURE: 1.The frame of the machine is made of high quality aluminium alloy,special surface treatment,beautiful appearance. 2.It come with a 10 Wrap coils,large coil stable performance. 3.The machine using the latest technology, it's fit for liner or shader. 4.Lightweight and low vibrations,can work a long time without hand-tired. 5.Unwarming for long time using.