The optional Spiral Attachment is used with the Vega Duplicator to create an almost endless variety of straight or spiral flutes to your turnings. The workpiece turns slowly as the carriage moves from left to right creating the spiral. Included are a 24 position index plate, chain and gears for router travel and the router bracket. All the necessary hardware is included as well as an instructional videotape. Available as an option is the Angled Router Bracket which is needed for fluting spindles 3" or larger. Router not included.