NSI Splicer Reducer, Series: SR Series, Aluminum/Copper Conductor, 3/0 AWG to 500 kcmil Conductor, 600 VAC, Specifications: 1 Pole, 2 Conductor, 90 deg C, Aluminum, Electro-Tin Plated, 5 in L x 1.38 in W x 1.5 in H Dimensions
For splicing two copper or aluminum wires of equal or different sizesMade of 6061T-6 aluminum alloyElectro tin plated for low contact resistance2 ports3/8 in wrench size