This black t-shirt features a humorous graphic for diesel mechanics. The design displays a 'Diesel Mechanic Repair Rates' chart, humorously outlining escalating hourly fees. The rates increase if the customer watches, offers advice, or requires mistakes to be corrected. Made from a comfortable-looking fabric, this shirt is perfect for casual wear or as a fun gift for a diesel mechanic with a sense of humor. Show off your profession and keep them laughing with this unique tee.