Material: 60 #, 70#, 65Mn, high-carbon steel wire Direction of Twist: Levorotation and Dextrorotation Scope of Application: Vibrating machine, automobile, motorbike, counter, revolution counter, electric tools, gardening machinery mower, and various mechanical flexible rotations, etc. Characteristic: Smooth, flexible, highly-elastic, and wear resistant Technical Specifications: Flexible shaft is composed of multilayer long spring, interlayer close by, and that by two layers of coil in the opposite direction. The center for steel wire core. Diameter6-25 mm