Usually it also involves a mating tool such as a screwdriver that is used to turn itthe following heads are categorized based on frequency citation needed with some of the less common drives being classified as tamper resistant. A speed zone for quick rotation a torque zone for added grip in heavy torque. Aclk Sa L Ai Dchcsewjchm Gkmv1ahv1h60ghs8eavcyababggjwdg Sig Aod64 1j9vamr9pz6ogel6evpmpsqpbhdq Adurl Ctype 5 The best set of screwdrivers will ultimately depend on your requirements so be sure to select the most suitable set for your task or industry. Set of screwdrivers and pliers . The polypropylene material and ergonomic shape of the handle offers twisting force for three different applications. While there are plenty of screw head type variations for the most common shapes hex slot cruciform and torx there are even more that youve likely never heard of in your life. 8 pc bi material screwdriver sets have black oxide coating providing a m...