This Digital Caliper is made of l ight weight non waring carbon fiber material. It is ideal for measuring industrial, automotive or work related items. For Precision measuring with a large LCD display for easy viewing. Made of Light weight non waring carbon fiber material 3 way measurement of outside , inside and step dimensions This Digital Caliper is made of l ight weight non waring carbon fiber material. It is ideal for measuring industrial, automotive or work related items. For Precision measuring with a large LCD display for easy viewing. Made of Light weight non waring carbon fiber material 3 way measurement of outside , inside and step dimensions This Digital Caliper is made of l ight weight non waring carbon fiber material. It is ideal for measuring industrial, automotive or work related items. For Precision measuring with a large LCD display for easy viewing. Made of Light weight non waring carbon fiber material 3 way measurement of outside , inside and step dimensions This Digital Caliper is made of l ight weight non waring carbon fiber material. It is ideal for measuring industrial, automotive or work related items. For Precision measuring with a large LCD display for easy viewing. Made of Light weight non waring carbon fiber material 3 way measurement of outside , inside and step dimensions