1.ENHANCED PERFORMANCE The Floor Target Board features a special reflective objective lens that makes red lines clearly visible for precise alignment. The reflective target and Lshaped base ensure that the board remains stable on surfaces and ensures accurate results every time. 2.Increased Accuracy: Made of high quality ABS material, this groundlevel target board is wearresistant and dropproof, and features metric and imperial double scales for easy alignment and accurate measurement. 3.CREATE A SINGLE Experience the easy marking with the magnetic design of our Floor Target Board. Simply attach it to any surface, whether it be the floor, grid or steel nails, and use it hands . 4.IMPROVED READABILITY The printed inch and centimeter scales on this floorlevel target board are covered with a reflective film, making measurements even clearer and more accurate, ensuring the highest level of precision on any project.