It is durable with physical strength and a long-lasting life span and it is damage-proof. Thus, it saves you from any kind of issues of repairing or replacing.
It obtain the high hardness and high torque to be more durable after the overall quenching.
The head of screwdriver is more proper for the screw & obtain the maximal torsion after the precisely process.
The material of shaft: chrome vanadium Nickel steel.
Made of high quality cemented carbide. Good performance, making clean and accurate holes for you. A set of glass drills that are very easy to work with.
The fast drying combined with water resistance and a minimum shrink are enough reasons for many professional users to apply this product extensively on wood surfaces.