Fobus Ankle Hand Gun Holster Model DB380-A. Fits to: Diamondback DB 380. Fobus Ankle Hand Gun Holster Model DB380-A. Fits to: Diamondback DB 380. Fobus Ankle Holster DB380-A Fits to: Diamondback DB 380. Holster Mechanism: Passive retention with adjustment screw Holster Material: Mold injected RX18 Polymer formula Fitting: Duty, Off Duty, Concealed Carry, Military.