This 85 piece Gage Block set is perfect for metalworking inspection and measurement needs. Made of durable steel material and shaped in square form, each block has a size of 4 inches. The set includes gage blocks ranging from 0.10005 inches to 4 inches, and is manufactured by Fowler, a trusted brand in the CNC, metalworking, and manufacturing industry. Ideal for both business and industrial use, this Gage Block set can be used for a variety of applications and provides precise measurements. Add this set to your collection of tools and enhance your metalworking capabilities.