Features:This product is a 0 gauge to 4 gauge reducer.Made of brass with nickel plated, durable and intends for long service life.Easy to install, no crimping required, screw clamping.Suitable for power supply or ground.Comes with screw to ensure tight connection.Flat pin connector for amplifier input.Specifications:Size: 4.6x2cm / 1.81"x0.79"(L*D)Bar Size: 25x7x7mm / 0.98"x0.28"x0.28"(L*W*H)Hole Size: 16mm / 0.63", 13mm / 0.51"Thread Size: M10 x 1.5Material: Brass with nickel platedColor: Silver ToneCondition: NewNote:Please allow 3-5mm differences due to manual measurement.Check the size carefully before purchasing.Package Content:4 x Gauge Wire Connector4 x Screw1 x Wrench.
eBay