Features: Effortlessly switching between bits with the spring loaded socket adapter, crafted from durability steel for enhanced hardness and longevity in demanding tasks. Featuring an antirust surfaces coating and a recessed four corner grip design, it ensures secure bolt engagement while minimizing wear during high torques applications. Ideal for professional mechanics and enthusiasts requiring reliability compatibility with wrenches, electric drills, and pneumatic tools. Perfect for automotive repairs, construction sites, or home workshops where quick bit changes and rust resistant performances are critical. Engineered for heavy duty applications, this versatile power tool accessory combines industrial grade durability with ergonomic efficiency to streamlines your workflow. Specifications: Component: Steel Length:Approx.30mm/1.18in, 40mm1.57in,50mm/1.97inch Option Type:1/4" to 1/4"（6mm), 3/8" to 1/4"（6.3mm), 1/2inch"(13mm) to 1/4"(6.3mm); Scope of application: electric wrench Features: Telescopic elastic sleeve conversion head, stable clamping; Package Includes: 1pc 1/2inch(13mm) to 1/4 (6.35mm) Bit Adapter note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color