Monster 400 PowerQuip Power Cable Adapters 1/0 AWG to 4 AWG Adapter (MPC P400 PBS PA-1) Adapter allows for 1/0-gauge cables to be connected to a 4-gauge input Patented PowerQuip connection for 360-degrees of surface area contact for maximum power transfer Includes clear heat shrink tubing for a waterproof protection Ultra-polished MirrorChrome finish provides superior corrosion resistance 100% replacement limited warranty