The Vineyards inlay pen kit is made up of 14 pieces of Curly maple, Boxelder burl and dyed basswoods. It comes ready to assembly and includes complete instructions. This inlay kit is designed to fit the Sierra, Sierra Vista, and Virage pen kits (sold separately). This kit will not work with the shorter bodied Sierra pencil kits. On a degree of difficulty scale from 1 to 5, this kit is rated a 2.