Ramset 100 Pack 1/2" #SP12 PowerPoint Pin. Using Ramset drive pins will assure you of consistent and optimum quality in every fastener. Ramsets PowerPoint pins work best in steel and concrete fastening applications. When using Ramset pins you are guaranteed of consistent and optimum quality in each pin. The pins are able to penetrate into hard steel and concrete easily ensuring less pin failures. The pin has a length of 1/2, head diameter of .300 and shank diameter of .150.