Description Jetech shaft is made of chrome vanadium molybdenum alloy steel which makes high hardness, high tenacity and optimal high torsion. Plus, the screwdriver blades, made of high quality chrome vanadium alloy steel, through precision machining process and consistent heat treatment, to make blade perfectly fit screw heads at use at achieve maximum torsion even higher than any country’s product standard. Moreover, Jetech screwdriver handle is made of modified Poloypropolene plastic inside and of Thermal Plastic Elastomer outer side to obtain the perfect comfortable hand gripping and high torsion simultaneously.
