Starrett Extra-Long Drive Pin Punch With Knurled Grip For Driving Pins, 248D The Starrett 248D extended length drive pin punch has an 8" overall length and a 3-1/2" long pin with a 5/16" diameter to push pins and rivets into or out of a workpiece. The extra-long punch section provides greater reach in recessed areas, which makes it suitable for machine shop and motor service work. 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. Great for Construction - The Starrett Drive Pin Punch is well proportioned, hardened, properly tempered, nicely finished, and has a knurled finger grip. Pin punches are made of hardened steel for wear resistance and strength. Unmistakable - Each punch has the size clearly marked on the head for easy reference, so you can quickly select the right tool or identify the size you need for the job. The Brass knurled pin punch will not damage softer materials. Secure Holding - The knurled grip provides a secure hold, so you can easily insert or knock out rivets and pins without worrying about the punch slipping. It can easily handle knocks and bumps without breaking. Multiple Variety- Punches are available in a variety of types. It is 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. The Standard for Excellence - Proudly made in the USA, Starrett combines over 140 years of American heritage and innovation with globally sourced materials to deliver exceptional quality tools and products.