Professional 9 Piece Ball End Socket Extension Rod Set craft with steel delivers superior torqued transmission and long wear resistance for precisions mechanical tasks. The swivels head design with hexagonal drive socket enables angled flexibility to access tight engine compartments and confined workspaces area effortlessly. Essential for automotive technicians, industrial maintenance, and DIYer enthusiasts requiring great torqued tool for complex assembly/disassembly operations. Optimized for automotive repair shops, motorcycle maintenance, industrial equipment servicing, and home garage projects involving stubborn bolts in cramped space. Heat treated alloys steel construction meets specifications, ensuring great durability and slip resistant grip during high torqued applications.