Wheel Group Wire Adjustment Tool $ 4.70 Product information: Name: Bicycle Spoke Wrench Function: Reconcile The Tightness Of The Steel Wire, Correct And Protect The Deformation Of The Wheel The Specifications Are: 10/11/12/13/14G/15G (8 Slots) Tool Size: Diameter 4cm/+-0.5mm Inner Hole Diameter: 1.7cm/+-0.5mm Height When Placed Horizontally: 1.3cm/+-0.5mm Thickness: 0.5cm/+-0.5mm