Crafted from dropforged and heattreated chrome vanadium steel (50BV30), this socket set delivers exceptional strength and durability for demanding tasks. The corrosionresistant black phosphate finish ensures longlasting performance even in challenging environments. Includes: 18Piece 1/4' Drive Universal Socket Set (Metric and SAE): 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm; 1/4', 5/16', 3/8', 7/16', 1/2', 9/16' 25Piece 1/4' Drive Impact Socket Set, deep and shallow (Metric and SAE): 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm; 5/32', 3/16', 7/32', 1/4', 9/32', 5/16', 11/32', 3/8', 7/16', 1/2', 9/16' 18Piece accessory set: Inverted Torx/Star sockets (E4, E5, E6, E7, E8, E10), Torx/Star sockets (T10, T15, T20, T25, T27, T30, T40), extensions (2', 4', 6'), 1/4' male to 3/8' female adapter, and 1/4' universal joint Key benefits: Versatile range of metric and SAE sizes to cover multiple applications, reducing the need for separate tools. Universal and impact sockets provide compatibility with a wide variety of fasteners, making it ideal for both standard and torque jobs. Precision manufacturing ensures accurate fit, minimizing rounding or slippage. Black phosphate finish resists rust, extending tool life. Applications: 1. Automotive repairs: remove and install fasteners in tight spaces, including hardtoaccess engine components. 2. Home and workshop projects: assemble furniture, install shelving, or perform general mechanical work. 3. Industrial maintenance: handle heavyduty machinery bolts and fasteners with confidence under torque conditions. This comprehensive, performance socket and accessory set is designed for professionals and serious DIY users who need reliable tools capable of handling a wide range of mechanical tasks with precision and durability.