Complete 9-Piece Set – Includes impact-grade socket adapters and extension bars in 1/4", 3/8", and 1/2" drive sizes for all common power and hand tools. Heavy-Duty CR-V Steel – Crafted from heat-treated chrome vanadium steel with black phosphate coating for maximum strength and rust resistance. Secure Spring-Loaded Design – Each adapter features a spring ball bearing that firmly locks sockets in place, preventing slippage during use. Full 360° Rotation – Universal joints allow smooth 360° flexibility, making it easier to access hard-to-reach fasteners. Versatile Applications – Perfect for automotive repairs, construction projects, DIY tasks, and use with cordless impact drivers or drills. Package Includes: 1 x 1/4" x 6" Extension Bar 1 x 3/8" x 6" Extension Bar 1 x 1/2" x 6" Extension Bar 1 x 1/2" x 3" Extension Bar 1 x 3/8" x 2.5" Extension Bar 1 x 1/4" x 2.5" Extension Bar 1 x 1/4" Hex to 1/2" Socket Adapter 1 x 1/4" Hex to 3/8" Socket Adapter 1 x 1/4" Hex to 1/4" Socket Adapter