Virtually all American cars and motorcycles use the AF (across flats) measurement in inches, expressed as a fractional number. SAE stands for 'Society of Automotive Engineers'. The SAE has standardized the AF-measurements for the US.
This set of combined ring and open end spanners contains the most common spanners in twelve different sizes. All wrenches are manufactured of chrome vanadium steel, guaranteeing a long life, even when used intensively.
With ring and spanner sizes 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" and 15/16" you should be able to comfortably do most jobs. The complete set is delivered in a durable tetron roll bag, making storage and bringing along equally convenient.
