Bowjax 4 - Pk Revelation Dampeners, BLACK These new Split Limb Dampeners weigh only 269 grains each The Revelation 4-pack gives you enough dampeners to put 2 on the upper limb and 2 on the lower limb By doubling them up, they are still less weight than the competitions, Bowtech - will NOT fit Bowtech 360 rpm Less weight equals better speed performance. They are 2 1/2" long and 1 7/8" wide They have a gap of .11/16" wide, they mainly fit the new Bowtech Invasion and Hoyt Split Limb Bows. No screws or adhesive needed