Specifications: Material: Aluminum Alloy & Plastic (Black part is made of plastic). Size: 11*3.7*8.6inch (28*9.5*22cm). Color: As shown. Package Includes: 1 X Drilling Locator (Excluding Electric Drills and Drill Bit). Features: Easy to Drill - The woodworking drill locator is designed to make wood drilling easier, straighter and more accurate. Using a 1/4 inch hex shaft, it can be used with cordless and corded drills and impact drivers. Multi-Directional Use - The fence can be connected to any square base of this 4 sides. In addition, the fence can be used in multiple directions. It can also be used as the edge of the board. Built-in Hexagonal Drill Bit - There are two pins in the center, which can be stored when not in use. When in use, they are screwed into the bottom of the base and can be tightened with one of the column caps, which has a built-in hex bit. Maximum Size - The drill bit capacity is 1 inch, but if you remove it and turn it upside down, you can install a drill bit up to 2 inches wide. The V-shaped groove on the base can be easily drilled into the center of logs such as round pins. Complete Accessories - Includes key chuck, conical depth control shaft, limit ring, spring return, reversible chuck bracket, built-in V-groove, centering and adjustable fence.