BOWJAX CROSSBOW LIMB DAMPENER BLACK SPLIT UNIVERSAL W/ BOLT SPRING DAMPENER Split Limb Dampeners install easily without the use of a bowpress. Dampeners fit limb gaps on split limb crossbows from 3/8" to 1 1/8" and lock into position with the provided screws. The retention spring dampener (included) easily slides over the tip of the sprint into position. Adhesives not necessary for installation.