With the JessEm Dowelling Jig Master Kit, create 1/4, 3/8, and 1/2-inch dowel holes on the end or face of your work piece. Locations of dowels can be pre-set in 1/8-inch increments, perfect for creating multiple dowel hole configuration. Built-in alignment slot allows you to match up dowel holes that are spaced further apart for perfect aligned dowel holes. Constructed of precision CNC machined aluminum, anodized for durability and laser engraved for fast set ups. The indexing pins are made out of stainless steel on one of our three swiss lathes.