The Geek Wraps Power SlamTM Tape is by far the fastest, easiest way to measure a car. A full 120 inch tailors tape with Power Slam Magnets on each end allows one person the measure a complete metal vehicle (or any metal object) accurately and effortlessly. Easily finds exact center points of any substrate in 2 steps, also useful to find spot on leveling lines for your content. The magnets on the Power SlamTM Tape are enclosed in layers of vinyl coated fiberglass and genuine leather casing to ensure the magnet has no direct contact with your painted metal surface. Simplistic in design with superior results, the Power SlamTM Tape is sure to become a staple in your shop. The PST will measure up to your expectations!