Shelving Jig is an easy-to-use, see-through template for drilling consistently spaced and centered shelf-pin holes. This Shelving Jig works with fdifferent bit sizes to quickly and easily drill shelf-pin holes in a wide variety of projects.Big Horn Shelving Jig helps eliminate the hassle of trying to drill correctly spaced pin holes on . For use with assembled or unassembled cabinetry that features faceless or face-frame construction, the Shelving Jig is the ideal tool for building bookcases, entertainment centers, or cabinetry with adjustable shelves, or for adding shelves to existing units. The clear template features laser-cut accuracy for consistently spaced, and centered, shelf-pin holes.The handle for the Shelving Jig helps you align the template and hold it in place. Mount the handle to the template based on the setback and spacing you want, and then use the handle to secure the template while you drill. You can also insert a shelf pin in the top or bottom position to help hold the jig in place.With just one Shelving Jig, you can drill holes either 1-1/2 inches or 2-1/2 inches from the edge. Simply mount the handle on the appropriate side to achieve the setback you want. The shelf-pin holes are spaced 1-1/4 inches apart.The Shelving Jig comes with a 1/4-inch self-centering bit that is preset to bore a consistent depth for fitting shelf pins and sleeves.Features:Achieve consistently spaced and centered shelf-pin holesClear template features laser-cut accuracyHandle mounts to either side of the template for two different setback optionsWorks with four different bit sizes for shelf pins or pin sleevesSelf-centering bits bore to a consistent depth every time.