High Mild Steel for Durability and Oxidation Resistancemail: Produced from high mild steel, offering high hardness and wear resistance, capable of withstanding extreme moment operations Multifunctional Multiple Functional Conversion Sand: Includes 4 spell to square couplers and 4 spell to port couplers, facilitating easy switching between spell and square propels, significantly enhancing tool agreement and work efficiency Compact and Transportable Planumberebog: Small size with powerful functionality, easily accommodates into a tool kits; consistent 1 / 4 toss arrangements Spring Sphere Locking Mechanism for Security: Features a constructed in spring sphere bearing structure, ensuring a securitylock to stop slippage otherwise loosening during action Wide Agreement with Various Tools and Circumstancesecond: Twelve hundred manual, electric, and air propelled tools, meeting professional and household demands such as car maintenance, furniture assembly, and mechanical adjustments, Manufacturer: JSGHGDF