The Starrett 565B drive pin punch has a 4" overall length with an 11/16" pin length and a 3/32" pin diameter to push pins and rivets into or out of a workpiece. The punch is made from hardened and tempered steel components that provide wear resistance and strength. It has a round shank, which is knurled for grip. Pin punches are used to insert or knock out rivets and pins in assemblies. They have a metal shank on one end and a metal pin driver on the other, and are typically tapped with a hammer.The L.S. Starrett Company manufactures precision measuring tools, metrology and testing equipment, and saw blade products. The company, founded in 1880, is headquartered in Athol, MA.