Tuning Kit from Mathews.
The kit consists of distance sleeves / shims (called top hat) that hold the cam axles. By changing the sleeves the position of the cam (right/left) can be changed.
Suitable for Mathews Halon, TRG , TRX, Triax, Vertix, Traverse, TX-5, VXR 28 and VXR 31.5
Packing unit: 12 pieces (6 pairs for 3 different cam positions each for the upper and lower cam).