Product description: We manufacture and supply torsion spring with high-quality.Our torsion spring is made of high-quality stainless steel and carbon steel .Specifications:1)with the wire diameter is 1.61mm 2)Length 7.2cm 3)Surface Finish:Zinc/Nickle/Chrome plated 4)high tensile strength 5)Dimensional Accuracy 6)Long service-life 7)Good resistance to both high and low temperatures. Our torsion springs are available in various dimensions. The Torsion Spring manufactured by us is also capable of providing unparalleled quality service. Moreover,we can supply the torsion springs as your request. Basic Information: Model NO: Small torsion spring Material: Stainless Steel