Bowjax Solid Limb Crossbow Kit, 1030: * Contains a pair of Solid Limb Monster Jax, (a more durable strength than the normal compound bow style), 4 X-bow Slipjax and 1 Bolt Retention Spring Dampener * You will need a bow press for the string silencers * No glue or adhesive needed for the bolt dampener * You can install these limb dampeners 4"-6" away from the cams * Extra double-stick tape provided