X Factor Limb Factor Black. Will fit standard thin limb and most split bows. Wraps around the limb for 360 degrees of dampening. Can be adjusted up and down the limb for maximum dampening. Specifications for X Factor Limb Factor: Manufacturer: X Factor Color: Black Package Contents: X Factor Limb Factor Limb dampeners made from an advanced A-Tech rubber compound. Will fit standard thin limb and most split bows. Wraps around the limb for 360 degrees of dampening. Can be adjusted up and down the limb for maximum dampening.