... LOCK 1 MASTER AND 3 SLAVES HIGH TORQUE MOTOR, 360 DEGREE ROTATION HEAD 10,000 TIMES LONGEVITY REMOTE CENTRAL LOCK HF-104A1 ... MASTER 3 SLAVES WITH COMPACT CONTROLL BOXHIGH TORQUE MOTOR, 360 DEGREE ROTATION HEADUNTRAL WELDED AND WATER PROOFGOOD QUALITY RUBBER MATERIAL AND HIGH ...