Features: Professional 9 Piece Ball End Socket Extension Bar Set craft with quality chromes vanadiums steel delivers superior torqued transmission and long wear resistance for precisions mechanical tasks. The swivels head design with hexagonal drive socket enables angle flexibility to access tight engine compartments and confined workspaces area effortlessly. Essential for automotive technicians, industrial maintenance, and DIY enthusiasts requiring reliable 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 chromiums vanadiums alloys construction meets specifications, ensuring great durability and slip resistant grip during high torqued applications. Specifications: Component: Chromes vanadiums steel Color: Silver Optional Styles: A Outer hexagonal, B Normal, C with Ribbon Size: As pictures shown. Quantity: 1 set Package Includes: 9pcs Extension Length Bar note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.