1)range:from 6mm to 15mm
2)material:65Mn spring steel or stainless steel
3)bandwidth:6mm-15mm
4)thickess:0.5mm-1.5mm
Compression Spring
Extension Spring
Torsion Spring
Arabella
Botou YongChuang Spring Manufacturing Co., Ltd
Website: http://btyc.en.alibaba.com
Tel:+86-15226737237
Whats app:+86 15226737237
Address:Yinzhuang Village,Wenmiao Town,Botou City ,Hebei Province,China