南非采购需求：电动工具、手动工具、气动工具、焊接设备、户外动力设备、劳动保护用品供应商

I'm looking for more detailed information about the wrench you've listed. Could you provide insights on its specifications, materials used, and any unique features that set it apart from other similar products? Also, I'd love to know about the available sizes and finishes. Additionally, please share the lead time for production, minimum order quantities, and any volume discounts if applicable. It would be helpful to understand the warranty policy and whether there are any certifications for quality assurance. Thanks!