Features APPLICATION: Sit on a corner, draw a line, rotate it 90 degrees, and then draw a second line with the intersection point in the middle of the center viewfinder. VERSATILE AND UNIVERSAL The acrylic center finder is used by professional woodworkers and DIY enthusiasts to find the exact center of all round pieces of wood. Main function: with the centre point search tool, you can quickly and easily find the centre of a piece of wood. Useful and practical: the center search ruler is a practical measuring and layout tool for woodworking, which provides convenience and saves time. EASY TO OBSERVE: The acrylic center finder is made of transparent, impact-resistant acrylic material, which improves visibility. Specification: Item Type:Acrylic Center Finder Material: acrylic. Colour: transparent. Usage: For woodworking tools Package list: 1 x acrylic centre finder. Package List 1 x Acrylic Center Finder