The Kreg K4MS Jig Master System is a versatile tool designed for construction and building projects. Made of steel, this blue-colored jig master system includes one item with dimensions of 4.9 inches in length, 1 inch in depth, and 4.2 inches in width. Weighing 5.72 lbs, it is a reliable and sturdy tool perfect for precision measurements and jigging tasks in the workshop or on the job site. The Kreg brand ensures quality and durability, making this system a valuable addition to any toolkit.