The LimbSaver HD S-Coil Stabilizer's redesigned geometry greatly reduces vibration, hand shock, and unwanted noise. Its short length of 4.5" is perfect for the hunter who wants minimal interference while shooting in tight spaces such as treestands or brush areas. Made from NAVCOM noise and vibration-controlling materials, the HD S-Coil also has all-weather durability. No technical know-how required to install the HD S-Coil Stabilizer. This short, lightweight stabilizer is designed in an HD camouflage pattern to keep you hidden and fit your hunting style.