12pc The Key Ratchet Spanners Combination Wrenches Set for Cars Kit

2 set the Key Ratchet Spanners Combination Wrenches Set: 1 set A & 1 set BWhat is good wrench?Wrench also known as open wrench (or called wrench), mainly divided into double-headed wrench and single-headed wrench. Its wide range of roles, mainly in mechanical maintenance, equipment, home improvement, auto repair and other areas.Double headed wrench is a universal tool for the assembly of machine tools or spare parts and transportation, maintenance of agricultural machinery necessary hand tools. Double headed wrench made of high quality carbon tool manufacturing, a forging molding(Our Manufacturing Technology), advanced technology quality assurance.Single head wrench purposes: large industrial single headed wrench for petroleum, chemical, metallurgy, power generation, oil refining, shipbuilding, petrochemical, machinery and other industries. Equipment installation, equipment and equipment maintenance, repair work in the necessary tools. Single-headed wrench divided into metric and imperial two.Single head wrench material: Single head wrench with 45 or 40Cr carbon steel(Our Wrench Material) forging the overall production. Fixed Ratchet Head:Raised wrench panel save more force.Wrench surface with high quality Matte anti-corrosion plating , more durable. no worry rusting in a humid environment.Ratchet:72 teeth greater resistance and greater torque. Have you experienced ratchet breaks after few use? We use a high grade material for ratchet teeth. It is better than other common materials on the market.Why ratchet tooth quantity is 72 ?Because more teeth save more force and help you improve your job more efficiently there is also 45 ratchet teeth or some other kinds in the market, but 72 ratchet teeth effect is the best.Color: silverMaterial: chrome vanadium steelSize:8,9,10,11,12,13,14,15,16,17,18,19mmPackage Contents:24 * Wrench Set2 * cloth bagOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.