The Magnum split Limb Dampeners represents the next level of innovation for limb dampeners! Reduces Noise and extends the life of your bow limbs. They have thick rubber pads that go in-between the limbs for maximum vibration control. No bow press needed, simply install with provided screws. These fit the Mathews Helon, Bear the "Wild", Xbow Horton the Storm, and other crossbows and bows with a 1 1/8" width gap. These come in a pair.