Drive Pins with Washer 3"? - These Concrete Drive Pins come with a washer.Drive Pins with Washer 3"? features include: 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 Order Qty of 100 = 1 Box of 100 Pieces Below is more info on our Drive Pins with Washer 3"