The starrett® 565 drive pin punch is well proportioned hardened properly tempered nicely finished and have a knurled finger grip. Each punch has the size stamped on the head. Set of 8 565a/b/c/d/e/f/g/h in round plastic box. Features ul style""margin-top0px; padding-top 5px; padding-bottom 5px;"" knurled grip for secure holding round red plastic box hardened and tempered punch diameter clearly marked on the head 1/16"" 3/32"" 1/8"" 5/32"" 3/16"" 7/32"" 1/4"" 5/16"" punch diameter