Morris Products 31140 Drive Pin with Washer, 2" Shank Length (Pack of 100) Drive Pins with Washer - These Concrete Drive Pins come with a washer. For fastening into concrete, steel, or masonry with power actuated tools Concrete Drive Pins with Washer have .300 dia. Head with plastic ferrule as guide .143 dia. shank drive pins 1" dia. Metal washer