Streamlight’s Duty Holster features a spring loaded interior wall that holds the flashlight in place and compensates for different body diameters. It can be inverted; the flashlight will stay in place due to the spring-loaded wall. Made with lightweight, super-tough nylon construction. The duty holster accommodates the following Streamlight products: Stinger LED Series, Stinger LED HL Series, Stinger Classic LED, PolyStinger LED Series, and PolyStinger LED HAZ-LO.