 These are the next generation of the worldwide de facto standard. The 3 pin female connector now has cage type hyperbolic contacts with seven contact springs to assure low contact resistance and high integrity, plus a "solder stop" for easy soldering and an additional ground contact for improved contact integrity between chassis and cable connector. The male has an improved locking recess for more secure mating retention. They have a sleek, ergonomically designed, rugged diecast shell. | 
