Safariland 6285 Level II or III Retention SLS Duty Holster Low-Ride, Black, STX, S&W 4006, 5906 Level II Retention holster featuring the SLS (Self Locking System) Rotating Hood Low-Ride level Top draw and straight drop cant STX Finishes 1.50" (38mm) belt drop SLS (Self Locking System) Top draw and straight drop cant Level III with optional Sentry installed or tension screw properly adjusted; Level IV with optional Sentry installed and tension screw properly adjusted