COAXIAL PLUG 2.1MM X 5.5MM, Mates with 212B, 321B, 2112B, 247B Jacks
3.0mm x 6.3mm DC COAXIAL PLUG
3mm COAX POWER PLUG
Coax power plug for video
battery packs for Panasonic,
RCA etc. 3.0mm I.D. x
6.3mm O.D. solder terminals and flexible strain
relief.