Fenix Lighting Tactical Flashlight Ring Black. The slotted grooves on the attachment ring allow you to still keep the flashlights belt clip - no need to remove the clip like other brands. The large finder ring is glove-friendly. Deploy and hold your flashlight confidently in any tactical situation with the Fenix ALR-01. Specifications for Fenix Lighting ALR-01 Tactical Flashlight Ring: Manufacturer: Fenix Lighting Color: Black Length: 2.625 in Width: 1.25 in Height: 1.25 in Features of Fenix Lighting ALR-01 Tactical Flashlight Ring Tool-free assembly and disassembly Fits most Fenix tactical flashlights with a body diameter of around 1.0 (26mm) and where the tail cap can be removed; like the HT18 HT30R PD36R PRO PD36 TAC TK16 V2.0 TK20R V2.0 TK20R UE TK22 TAC and TK30 Package Contents: Fenix Lighting ALR-01 Tactical Flashlight Ring Fenix Lighting ALR-01: ALR-01 Tactical Flashlight Ring Black