HORUSDY 12-Piece Driver Extension Bar Set Includes Socket Adapters, 1/4", 3/8", and 1/2" Drive, Tool Accessory Set, Socket Extension Bar, Heat-Treated CV-R Steel with Black Phosphate Finish

• DURABLE QUALITY: Each socket adapter is made of heat-treated vanadium steel and black oxide coating with bracket torque compression to meet standard operating conditions
• PURPOSEAN: External weatherproof coating provides additional protection against damage. For example, components and materials that may come into contact with the extension rod during maintenance, such as oil and liquid, such as in the automotive field
• VERSATILE PERFORMANCE: This impact driver bits set used in the installation of pneumatic screwdriver, electric screwdriver, pneumatic drill, manual screwdriver and other installation for the hex tool .It is a good accessory for conversion
• ERGONOMIC COMFORT: These impact grade corrosion-resistant adapters are ideal for projects that increase torque and help prevent socket breakage and spalling.The spring ball bearings on each square head are securely locked in the socket to avoid slipping during use.Drill Socket Adapter for Mechanics, DIY Enthusiasts, Handymen, Welders
• VERSATILE TOOL: 1/4" hex shank for all quick change drill chucks 1/4" drives, 3/8" drives, and 1/2" drives. The perfect size makes it compatible with all brands of electric drill and screwdriver handle tools

Impact Extension Bar Set Wrench: 12-Piecs Extension Ratchet Wrenches