2/0 to 1/0 cased inputs2 0 to 1 0 cased inputs, machined from 6061 aluminum with a plastic case. These are offered in 2 sizes, 1 without remote and 1 with remote, if your amp input looks like the one in the photo it will fit. The minimum space between input holes from one power block to the next center of hole to center of hole is 1. 08" (reference cad photo) These fit 2 0 car audio cable or 4 0 welding cable. These do not fit taramps. Includes stainless set screws.