HIGH QUALITY MATERIAL - Flexible Ratchet Wrench Set is made from premium Chrome Vanadium Steel, drop-forged, overall hardness reaches HRC48. Highly polished surface , more durable, anti-corosion and stronger, effectively prolong the service life. The torque is over DIN3113 standard.Ratcheting combination wrench sets make emergency repairs a breeze.PRECISION DESIGN - The 180 degree Flex / pivoting Head can perform precise repair work in any space. The 72-tooth ratchet gears need only a 5-degree working swing arc suitable for any narrow space. High torque to tighten or loosen any bolts without rounding. Heavy duty ratchet and durable pawl design is perfect for strong griping.12 PCS METRIC SIZE- 12 Pieces high quality wrenches that exceeds ANSI standard. Set includes 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm and 19mm.EASY TO CARRY AND STORAGE - The wrench set comes with a pouch for easy organization and convenient storage. The tool roll case has each wrench size printed which makes organizing easy. All size are in roll-up pouch for easy organization and convenient storage in your car trunk or mechanics gear.100% SATISFACTION GUARANTEE - This wrench set can be used for a wide range of jobs like, auto repair and maintenance, mechanic repair, pipeline repair, electrician repair etc. We provide two year free warranty. If you have any questions, feel free to contact us and we will make you satisfied.