The Power Distribution Block Bus Bar with 4 x 5/16" (M8) stud posts; ^^ Max.
Current: 300 Amp at 12V DC per connection. Max. voltage is 48V DC ^^ The Battery Bus Bar Box Dimension (L x W x
H): 5.433" x 2.72" x 1.75" (138 x 69 x 44.5 mm) ^^ 6mm thicker Brass bus bar plate with stainless steel studs and nuts ^^ The Heavy Duty Busbar box with Six side removable plates. You can remove the plates or drill hole on plate to let wires and terminals go through very easy and prevent short circuit, which makes your wiring more secure and reliable