4mm banana plug safety stackable male plug connector 2mm banana plug test proble full insulated safety connector solder type
Insulator : PA, ABS
Body : Brass , gold plated , nicke plated
color : black , red , yellow, green,blue
30VAC-60VAC / 19A ,24A ,32A
the front tip of the banana contact pin is 4mm
there's a 4mm diameter hole on the back side for stack another 4mm Banana Plug
and the middle hole of the Banana contact pin for solder cable wire