Grade Chrome Vanadium Steel Construction Crafted from chrome vanadium steel, this socket set delivers exceptional strength and durability for longlasting performance. The mirrorpolished chrome finish resists corrosion, reduces wear, and ensures a professional look that holds up under demanding conditions. Comprehensive Set for Multiple Tasks Includes 13 metric sockets (1/4 inch drive) in sizes: 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, and 14mm. Includes 21 precision bits (1/4 inch): SL4, 5.5, 7; PH1, 2, 3; PZ1, 2, 3; HEX 3, 4, 5, 6, 7, 8; T10, 15, 20, 25, 30, 40. Also comes with 1 quickrelease ratchet handle (1/4 inch), 3 extension bars (2 inch, 4 inch, 6 inch), 1 sliding Tbar (1/4 inch drive), 1 universal joint (1/4 inch drive), 1 spinner handle (6 inch), 1 bit holder, and 3 Lshaped Allen wrenches (1.5mm, 2mm, 2.5mm). Supplied in a durable storage case measuring 9.4 x 4.9 x 1.7 inches for organized portability. Versatile Applications Ideal for household repairs, furniture assembly, and maintenance tasks. for bicycle , allowing access to both standard and hardtoreach bolts. Suitable for mechanical work on small engines, equipment, or hobby projects where precision tools are required. Enhanced Accessibility and Efficiency Adapters and extension bars allow access to fasteners in confined or awkward spaces, increasing productivity and reducing frustration. Quickrelease ratchet mechanism speeds up bit and socket changes, while the reversible function supports both tightening and loosening without tool changes. UserFriendly Design Ergonomic rubberized handle provides a secure, comfortable grip and improved control during extended use. The blowmolded case keeps tools organized, protected, and easy to transport, ensuring you can quickly find the right socket or bit when needed. This complete 1/4 inch drive socket and bit set offers reliable performance, precise fit, and durable construction, making it a practical choice for both professional and everyday use.