D450 includes everything you need to perform the alignment measurements. The Dual laser system emmulates reverse-dial methods. (2) Laser/position sensors and a Display Unit provide live moves on the graphical screen. Programs include: horizontal machine alignment, softfoot, and a printer port and memory for 1000 alignments. Maximum distance is 10 meters. Our specifications rival the best available alignment tools. The system is a tool designed out of billet aluminum, not plastic. This is a low-cost shaft alignment system, which is built to last. Numerous fixtures and accessories are available. If you need precision alignment.....the answer is EASY.