SWITCHBACK DF FLASHLIGHT RING WITH POCKET CLIP The SwitchBackA(R) DF adds a multi-function finger ring and robust pocket clip to SureFire's Dual Fuel Series Flashlights. It mounts securely on the light's tailcap, providing a repeatable grip index during deployment from pocket or pouch, and enhances ergonomics while shooting or searching. Featuring the same enhanced features as the SwitchBackA(R) 2.0, the SwitchBack DF Flashlight Ring is the ergonomic upgrade your SureFire Dual Fuel tactical flashlight deserves! It features a larger opening to accept the Dual Fuel's tailcap and includes an additional lock to ensure it stays in place during Mfg: Thyrm Llc