EX-PRO professionally produce electrical connector, for 2,3,4 pin connector have size 00B(M7), 0B(M9), 1B(M12) Electrical connector, with 2,3 ,4pin,Mel (plug) to cable, and Female(socket ) to cable, with a bend relief.2~15A, 500~900Vpush-pul self-latching type, brass plated chrome,have size 00B M7, 0B M9,1B M12ip 50 index. Shenzhen EX-PRO Technology.