AZUNO 12-Piece Flex-Head Ratcheting Wrench Set Metric Combination Spanner Kit Chrome Vanadium Steel Ratchet Wrenches Set with Deluxe Case

We prove quality with tests and certificates! Most commonly used hand tools like wrench and screwdriver are hard to tell the differences from the specs and appearances, the best way to prove quality is through various tests and certificates. AZUNO 12 pieces Flex-Head ratchet wrench is designed and manufactured under German DIN standard, and certified by the world most trustworthy organization Technischer überwachüngs Verein, also known as TUV. The tests covers hardness, torsional strength, material, dimensions etc. The proven performance and lifespan set difference between AZUNO and others. This wrench set can be widely used for auto repair and maintenance, mechanic repair, pipeline repair, electrician repair etc. Product Highlights: 1. Forged from high-quality chrome vanadium steel. 2. Bright, full polish chrome plating for rust and corrosion resistance. 3. Frictional rotation secure head movement, easy locate bolts and nuts. 4. Size conveniently stamped on both ends of the beam for quick identification. 5. 2X more contact points for better and stronger gripping, less chance fastener rouding. 6. 180° flex head helps you to reach the tightest places, where most ratchet wrenches would not reach. 7. 72 tooth ratchet allows 5° (360°/72) swing arc.Only require 5° to rotate bolts and nuts, perfect for tight spots. 8. Low profile designwith thin head and beam makes our wrench better access in confined work areas versus traditional style. TUV certified DIN Standard DIN Standard Torsion Strengh Test DIN Standard Material Test DIN Standard Tolerance Test 48 HRC Hardness Test 48 Hours Corrosion Resitance Test Packager Contents: 12 most frequently used sizes, including 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm,18mm, 19mm. Tool Box Storage Case