Design Square ratchet socket adapter set features a four corner arcs square head design for hardness and impact resistance. The drive end includes a through hole that securely locks the adapter to the drive handle. Function Includes 1/4', 3/8', 1/2', and 3/4' socket adapters for versatile use. Provides reliability and performance, reduces wear, and withstands greater torques generated by impact tools. Fits standard drive handles and sockets, with a secure throughhole locking method for quick, stable connections. Material Made of chrome vanadium steel, offering strength and wear resistance for long term performance. Quality Professionally manufactured drive socket reducers with stable performance and a long service life. An ideal tool for auto shops, factories, homes, and repairs. Specifications and compatibility Included sizes: 1/4', 3/8', 1/2', 3/4' drive adapters. Designed to lock securely onto drive handles via the throughhole connection. Built to endure the demanding use of impact tools and torque applications. Use scenarios Auto and maintenance: Quickly switch between socket sizes when working on engines, brakes, or undercar components using impact wrenches or ratchets. Factory and workshop maintenance: Use across different equipment for assembly, disassembly, and servicing where multiple drive sizes are needed. Home and DIY projects: Ideal for bike maintenance, lawn equipment, furniture assembly, and other everyday repairs requiring a reliable adapter set.