Magnum Opus International offers Torsion Testing Machines. Magnum Opus International manufactures complete range of testing equipments that are used in several major core industries. Torsion Testing Machines has Max. Torque capacity [Nm] of 100 to 2000 accuracy ±1 % of the true torque and has its application in torsion & twist tests on various metal rods, flats, wires, chains, etc.