The 3276 from Pomona Electronics is non-insulated threaded male miniature banana plug with 4-40 X .230" stud and solder turret. Threaded stud enables fast and easy mounting to panels. Solder turret allows wire attachment. This miniature banana plug has 5A current rating and 2.5kV voltage rating. Miniature banana plug spring features gold plated beryllium copper for long insertion life and low contact resistance.