Features: Premium Substancemail: Produced from high hardness search engine speed steel with a permanent search engine coating, ensuring oxidation resistance, wear resistance, and effect resistance. Wide Agreement: Direct current effect wrenches, ratchets, extension pubs, and other power tool addons for smooth associations and strengthened execution. Multiple Size Couplersecond: Includes a comprehensive extent of exchangeable couplers such as half to 3/8, 3/8 to 1/4, half to 3/4, and 3/4 to half, ideal for automobile repair, tire modifications, furniture assembly, piping, and general maintenance. Flexible and Modifiablemail: Features four cavities and openings with exchangeable outlets, allowing customizable and modifiable link associations for various screw and nut measurements. Direct current Operatemail: Direct current electric wrenches, manual ratchets, and effect wrenches, facilitating spell to square operate port conversion lacking additional tools. Specifications: Selling characteristicsecond: single pack Package Includes: 6/9/7pcs x sleeve conversion head note: Please allow for slight color differences due to different display resolution.