Fenix ALG00 LED Flashlight Tactical Ring Mount - HT18, PD32 V2.0, PD35 V3.0, PD36R, PD36 TAC, PD40R, V2.0, TK11 TAC, TK16 V2.0, TK20R V2.0, TK22UE, TK26R, TK30