Axcel engineered a bio-composite hybrid stabilizer using natural flax fibers and ultrahigh modulus carbon material. The use of flax fibers possess a much higher dampening capacity which helps lesson the torque and vibration. The Carbon Flax 600 Pro has a .650 diameter stabilizer rod. Comes with the Kryptos Arc vibration dampener plus 1 each 1â?쳌 diameter 1oz weight and 1â?쳌 2oz weight diameter.