3-Hole Removable Drill Guide:Lets you make perfectly placed pocket-holes in various material widths and thickness', without ever having to release the clamp and reposition the work pieceCan be removed completely from the bench top base and used for making repairs just about anywhere when used with included portable base1/8" incremental settings for materials from 1/2" to 1-1/2" thick (1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2")100% lifetime manufacturers warranty on drill guideMaterial Support Stop can be set at any distance from the jig to help you repeat the same pocket-hole over and over againDust Collection:Snaps into place on the front of the jig and attaches to any standard 1-1/4" vacuum hoseMinimizes drill torque, increases the longevity of your drill bits, and helps maintain a cleaner shopLarge Clamping Recess:Makes it easy to secure your jig to your workbench using multipurpose Face Clamps