Present markets of torsion spring include: Hand Tools, Automotive, Bathroom Fixtures, Metal and Plastic Assemblies, Power Engines, and Recreational Vehicles etc. Torsion springs are most commonly manufactured from round wire. We makes torsion springs from 0.2mm to 12.0mm round wire, square to 6.0mm and rectangular to specification. Torsion springs can be made from most metals and alloys. We can manufacture torsion springs with multiple complex bends.