CU Splice Reducer, Barrel A 2/0 Flex G,H,I,K,M,DLO, 2/0 AWG, Barrel B 4 Flex G,H,I,K,M,DLO, 4 AWG, Standard Barrel, Internal Chamfer, Tin Plated, Connector is UL/CSA, 90?C Up to 35kV, Kit comes with Clear Heat Shrink, Black/Gray Color Code, 13/8 Die Index.