The product is a lot of 2 vintage technical books focused on Mathematics for Inspection and Gaging. Published by Industrial Press, Incorporated in 1987, the textbooks are authored by Clifford Kennedy and are part of the Technology & Engineering subject area. With a total of 668 pages, these trade paperback books cover topics in Industrial Engineering, Engineering (General), Reference, and General mathematics, making them a valuable resource for adult education and further technical studies.