The Starrett 565 drive pin punch is precisely proportioned, hardened, appropriately tempered and finely finished, featuring a knurled finger grip. Each punch has its size clearly stamped on the head. This set includes eight punches - 565A, 565B, 565C, 565D, 565E, 565F, 565G and 565H, all contained in a round plastic box. Knurled handle designed to enhance grip security Cylindrical crimson polymer container Subjected to a controlled heat treatment process to enhance mechanical properties, resulting in increased strength, durability and resistance to wear and deformation The punch diameter is precisely inscribed on the head for enhanced visibility and accuracy in measurement