The Lava Piston series Solder-Free Plugs have been designed to be the smallest possible profle hex set-screw type plugs for the music industry. These plugs are designed exclusively to work with Lava's world renowned Mini ELC cable. These innovative plugs make it easier than ever before to make patch cables for pedal boards and racks and are smaller in width than other plugs on the market. ou can now put more pedals than ever before on your pedal board!