Basic kit to easily measure and mark sheet metal for fabrication. Makes metal as easy to mark as paper. 5 basic sheet metal layout tools. Carbide marking scribe. 6in steel ruler. 5in steel square. 6in compass/dividers. Automatic center punch This 5 piece kit contains the basics you need to get started accurately measuring and marking sheet metal. The 5 tools included are: 6 inch carbide scribe for marking and making lines, 6 inch long steel ruler for measuring and straight edge use, 5 inch square for accurate right angles, 6 inch compass/dividers for making circles and curves, and spring loaded automatic center punch. These simple must have tools make sheet metal as easy to work with as construction paper. Outline and measure any simple shape you need directly on metal for easier fabrication.