The E-Z Red E-Z Line Laser Wheel Alignment Tool makes measurements quickly to align heavy trucks and all types of trailers as well as commercial vehicles. The kit includes four magnetic self-centering lasers, 32' measure tape and two magnetic fifth wheel pin adapters contained in a travel case. The compact tool can be used for triangling frames to check alignment, replacing tie-rod ends and bringing toe settings to factory specs, steering wheel replacements and rear axle alignments. All measurements are obtained in less than 10 minutes, according to the company.