TenPoint Crossbow String Dampening System - Featuring micro-adjustable dampening rods with durable, high impact rubber dampeners the SDS mounts in the cable slot to dramatically reduce string noise and oscillation. Compatible Most TenPoint crossbows, including Titan M1 and Turbo M1 All pre-2015 Wicked Ridge crossbows Wicked Ridge M-370 crossbow All Raider CLS and Warrior HL models Horton Legend Ultra Lite Not compatible with RDX or NXT crossbows RCX crossbows with built-in dampeners Wicked Ridge Invader X4, Invader G3, Warrior Ultra-Lite, Warrior G3, Ranger or Lady Ranger models