BT080 Portable Bike Multifunction Ratchet Tork Wrench Set, Wrench Set1. Material: tool steel + aluminum alloy + plastic 2. Functional parts specifications: hexagonal 3 4 5 mm, plum blossom T25 3. The torque value is only 4 5 6NM three gears 4. Tust force adjustment knob, adjust the need to pull out, adjust to the required torque value, then rotate and press in 5. The scale line corresponds to the value extending up, which represents the torque value set by the current tool 6. Size: 106x91x24 mm 7. Weight: 168 grams