Our distribution blocks are machined out of solid brass alloy to provide rock-solid electrical connections and are protected by strong, injection-molded plastic covers. They are designed to accept both ANL and Mini ANL fuses for additional versatility and feature machined brass inserts to accommodate multiple sizes of wire. The Roswell 1-in 2-out distribution block is everything your boats audio system has always wanted. Our distribution blocks are machined out of nickel to provide rock-solid electrical connections and are protected by strong, injection-molded plastic covers. They are designed to accept both ANL and Mini ANL fuses for additional versatility and feature machined nickel inserts to accommodate multiple sizes of wire.