This is a brand new, heavy-duty mini (3.5mm, 1/8") stereo audio, male to male cable. Both ends of the cable have a male 3.5mm mini plug (the kind that plugs into a portable CD player). This cable works great for stereo headphones, speakers, microphones etc.
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor.
1/4" Hex Size, 2" Length, 4-40 Thread Size