This screw driving accessory provides precise, flush installations in woodworking projects. It is designed for easy setup, compatibility with common drills, and controlled depth for clean finishes. Key benefits - Easy setup with included hex wrench for fast installation - 1/4 inch hex shank compatible with most power drills and quick-change chucks - Adjustable stop collar lets you set the screw head flush with the work surface or drill depth for consistent results - Suitable for woodworking drilling and counterboring, delivering precise depth control Specifications and compatibility - Shank: 1/4 inch hex - Includes hex wrench for installation - Designed for use with power drills and quick-change chucks - Application: woodworking drilling and counterboring Usage scenarios - Cabinet and furniture assembly: set the stop collar to make screw heads sit flush for a smooth, snag-free surface - Counterboring for concealed fasteners: use the adjustable stop collar to control depth for a neat, professional finish - General woodworking projects: pair with a drill or quick-change chuck for fast, accurate drilling and driving to a precise depth