Description:  With built-in settings for board thicknesses, there is no need to manually measure. Just set this pocket jig to your desired setting, set the depth of your bit and start drilling.     Specification:  Material: ‎ABS Plastic and Glass Filled Nylon, Hardened Steel.  Size: 60*120mm.  Drilling size: 9.5mm.     Features:  1. Built-In Imperial And Metric Scales and Board Thickness Settings.  2. There are four common board thickness settings built into the pocket jig: 12, 19, 27, 38mm (1/2”, 3/4”, 1” and 1-1/2”).Easy readout arrow to help define your board thickness setting.  3. Easily adjust to your board thickness setting with the single sled design and sled adjust button.  4. Hardened Steel Bushings,reduce tear-out and create a clean and precise pocket hole on the first try.  5. Recessed Clamp Pocket With Magnet,you can easily clamp the jig from one location to another.     Package Included:  1X Pocket Hole Jig Kit