Features:* Easy to carry and store.* Magnetic base, strong molded case for durability.* Features two shockproof, uniform high visibility, easy to read.* Fits for horizontal and vertical aircraft marking. Technical data: Product name: key leveler Material: aluminum alloy + ABS Color: red Magnetic: yes Size: (approx.) 85x46x20mm/3.34x1.81x0.78in Suitable for: marking horizontal and vertical aircraft Quantity: 1pcs Package includes: 1 keychain leveler Note:1. Conversion: 1cm = 10mm = 0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website due to many factors such as brightness of your monitor and light brightness.3. Please allow slight differences in manual measurement for the data.