Pre-Trip Inspection Tool Pre-Trip Inspection Tool: Perform consistent and accurate pre-trip & post-tip inspections. The Pre-Trip Inspection Tool makes a great gift for new drivers, driver appreciation, Roadcheck, or any holiday. Who Needs It? . The Pre-Trip Inspection Tool is ideal for drivers, maintenance managers, technicians, and anyone performing pre-trip & post-trip inspections. . The Pre-Trip Inspection Tool is the standard in pre-trip and post-trip inspections. Fleet owners and safety directors agree, the Pre-Trip Inspection Tool is a must have.. Packaged for retail display. Great for C-Store counter displays or hanging displays. . Bar coded for easy transactions and inventory tracking.. *Note: Measurement for A, B & D are set 1/32 greater than the legal requirements to allow drivers to take corrective action before the vehicle is out of compliance.. 5/32 steer tire depth. 3/32 drive and trailer tire tread depth. 3/4 maximum size of windscreen chips. 9/32 brake shoe thickness. 2 maximum stroke for short stroke chamber. 2.5 maximum stroke for long stroke chamber. Keychain hole 4-in-1 Tool Checks:. Brake Stroke. Tire Tread Depth. Windscreen Chips. Brake Shoe Thickness PI539