1. Core Function & Problem Solving - This professional metric wrench set fits 1.5mm to 10mm standard fasteners for accurate tightening and loosening. It effectively solves slipping, jamming and inefficient operation problems of ordinary wrenches, adapting to narrow spaces for smooth daily and industrial maintenance work. 2. Premium Material & Durability - Crafted from high-strength CR-V steel via integral forging and heat treatment. Features high hardness, excellent wear resistance and anti-rust performance. It resists bending, deformation and cracking, stable enough for long-term heavy-duty professional and household use. 3. Easy Installation & Operation - Precisely machined wrench head ensures tight, scratch-free fitting with fasteners. The smooth polished body enables labor-saving operation. Compact and lightweight design allows easy carrying and storage, greatly improving maintenance and assembly efficiency. 4. Wide Compatibility & Application - Comes with complete 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm metric specifications. Perfect for furniture assembly, bike, motorcycle and auto repair, suitable for DIY enthusiasts and professional maintenance workers. 5. Standard Size & Industrial Compliance - Every wrench is strictly calibrated by industrial metric standards with precise tolerance. Burr-free fine processing ensures stable clamping performance. It complies with professional hand tool specifications, safe and durable for long-term use., Manufacturer: AYYSSM