Limbsaver Universal Replacement Module String Decelerator Black. The String Decelerator will help prevent your wrists from getting slapped when you shoot. Nodes are designed to fit all 3/8 cable rods. Specifications for Limbsaver Universal Replacement Module String Decelerator: Manufacturer: Limbsaver Quantity: 1 Weight: 0.1 oz Features of Limbsaver Universal Replacement Module String Decelerator Replacement stopper for the end of a 5/16in cable guard rod. Package Contents: Limbsaver Universal Replacement Module String Decelerator Limbsaver 4601: Universal Replacement Module String Decelerator Black