Feature:1. Nickel Plating: Fine polished nickel and plating, the surface is finely polished, and not easy to rust, and prolongs the service life.2. Flexible Rotation: 180° arbitrarily flexible rotation, is more flexible to use and more suitable for complex use places.3. 72 Teeth Design: Precise 72 teeth design, only need 5° for one rotation, which is more labor saving.4. Application: Used for tightening or loosening nuts and bolts in many narrow spaces.5. Wide Uses: Can be used for pipeline repair, home maintenance, mechanical repair, car and bicycle repair.Specification:Item Type: Ratcheting Wrench SetMaterial: Tool SteelSpecifications: Approx. 8mm / 0.31in, 9mm / 0.35in, 10mm / 0.40in, 11mm / 0.43in, 12mm / 0.47in, 13mm / 0.51in, 14mm / 0.55in, 15mm / 0.59in, 16mm / 0.63in, 17mm / 0.67in, 18mm / 0.71in, 19mm / 0.75inUsage Scenarios: Widely used in many tight or loose nuts and bolts in narrow spaces, and can be used for pipeline repair, home maintenance, mechanical repair, car and bicycle repair. Package List:12 x Wrench 1 x Plastic Box