Tweco® Robotics RA64 Series 45 deg Conductor Tube Assembly features rigid as well as reliable construction. Conductor Tube Assembly is ideal for 400 A welding applications. It is machined from a copper alloy tube for superior electrical conductivity providing cool operation even under high amperage applications. Conductor Tube Assembly is keyed and held in place with a brass-threaded nut. Tube has outer surface with an epoxy coated fiberglass close woven sleeve material for durability and insulation from the copper alloy tube.