About this item COMPREHENSIVE SET - Includes 2", 4", 6" extensions plus a universal joint socket, providing multiple length options for various automotive repair and mechanical maintenance tasks with 1/4" drive compatibility PREMIUM DURABILITY - Forged from hardened chrome vanadium steel, these socket extensions feature exceptional rust resistance and long service life, maintaining peak performance through repeated heavy-duty use in professional environments VERSATILE APPLICATION - Perfect for extending reach on impact wrenches, ratchet handles, and pneumatic tools, these long bars access hard-to-reach fasteners in engine compartments and tight work spaces SECURE CONNECTION - The spring-loaded detent ball mechanism firmly locks extensions onto sockets and tools, preventing accidental disengagement during critical repairs while improving work efficiency and safety UNIVERSAL COMPATIBILITY - Works seamlessly with all 1/4" drive sockets and ratchet wrenches, making this set ideal for automotive mechanics, DIY enthusiasts, and professional technicians tackling complex assembly and disassembly projects Overview Brand: ELEAD Material: Chrome Vanadium Steel Finish Type: Polished Number of Pieces: 4 Drive System: External Square