KECK™ adapters prevent glass breakage on olives.– Quick connection and disconnection of the hose part to the threaded cap with only 1/4 turn – permanent screw connection with the glass nozzle – KECK™ adapters prevent glass breakage on nozzles and protect fingers and hands from injuries – – KECK™ adapters prevent glass breakage on olives.– Quick connection and disconnection of the hose part to the threaded cap with only 1/4 turn – permanent screw connection with the glass nozzle – KECK™ adapters prevent glass breakage on nozzles and protect fingers and hands from injuries – –