Portafusibile Connection Audison COMPETITION GRADE INTERCONNECTS FOR THE SERIOUS ENTHUSIAST-Technical features: POLYCARBONATE CRYSTALS casing, strong and scratch resistant-4 AWG thru 1/0 AWG inputs for any current demand-SMBTM (solid machined brass) construction for better current transfer-PLATINUM SATIN finish for enhanced cosmetics-KNURLED SCREWS for better contact with the attached wire-RECESSED inset cable collar for protection against stray wire strands- AFS FUSE 15A thru 300A available-Blue Digital Volt Meter included