Introducing the GRIPEDGE 9-PC 1/4" Drive Long Star driver set, featuring R.P.T. (Rounding Prevention Technology). These star bit sockets provide up to 50% more torque on good fasteners and 400% more torque on damaged fasteners compared to standard tools. Precision machined from S2 steel, they offer enhanced strength, durability, and corrosion resistance. The set includes sizes from T6 to T40, ideal for most automotive applications, and comes on a premium aluminum socket rail. Each socket has a 4" overall length for improved access to hard-to-reach areas.