Limbsaver TwistLox Split Limb Dampener Black. Made from our proprietary NAVCOM technology (Noise and Vibration Control Material) TwistLox noticeably dampen noise and vibration by up to 75percent when shooting your compound bow. Installation is easier than ever Simply slide in between limbs and twist to lock for a snug and secure fit. They can be installed in two orientations for wide or narrow- spaced limb gaps. Specifications for Limbsaver TwistLox Split Limb Dampener: Manufacturer: Limbsaver Threads per Inch: Non Threaded Size: 2 in Fabric/Material: NAVCOM Weight: 0.7 oz Features of Limbsaver TwistLox Split Dampener Reduce up to 75percent of unwanted noise and vibration Easy installation; no tools necessary Designed with two orientations to fit wide or narrow-spaced limb gaps Made from LimbSaver's proprietary NAVCOM material to dampen vibration and unwanted noise Package Contents: Limbsaver TwistLox Split Limb Dampener Limbsaver 4720: TwistLox Split Limb Dampener Black