The internal structure of screwdriver handle is made of modified polypropylene plastic inside and of thermal plastic elastomer outer side to obtain the perfect comfortable hand gripping & high torsion simultaneaously.
Jetech Go Through softgrip screwdriver is designed its hexagonal shaft go through handle and joint the rear and impact cap which allow hammer striking force go through to shaft head without damage.
Jetech screwdriver blades, made of high quality chrome vanadium alloy steel, through precision machining process and consistent heat treatment, to make blade tips perfectly fit screw heads at use which achieve maximum torsion