The LimbSaver Super String Leech is where vibrations go to die. These remarkable string silencers reduce string vibrations and noise for a quieter, smoother shot. While designed primarily for crossbows, these units also work perfectly on compounds, longbows and recurves. Each leech weighs just .07 oz. With bow technology increasing to new levels of performance and speed, string leech dampening technology is a must. Pack of 4 leeches.