Set and Package: Includes 1/4", 3/8" and 1/2" Drive Impact Universal Joint Sockets with convenient aluminum socket rail, so you can keep them organized and easily accessible for years to come.
Durability: The universal joint socket adapter is constructed of Industrial-grade Chrome Molybdenum Alloy Steel (CR-MO) with precision forging and heat treatment for strength and durability; Manganese phosphate finish to resist corrosion; Meet or exceed ANSI standard.
Hex-Core Pinless Joint Design: More durable than regular pinned design for increasing strength. Provide High torque and long-life time.
Multi-Function: Full 360° rotation for greater access; Spring-loaded ball bearing design to ensure the socket are held firmly, and securely, and never drop; Laser Etched for easy identification.
Usage: Designed for using with all battery, electric tool and Pneumatic impact wrench.