Blackburn®, ASR3506, Splice Reducer, Dual Rated In-Line, Stranded Aluminum/Copper Conductor, 6 to 350 kcmil Conductor, 2 Screws, Specifications: Non-Insulated, Tin Plated, 2-3/8 in L x 1-1/32 in W x 1-1/8 in H Dimensions,