Ramset 2-1/2 in. Drive Pin with Washer. The Ramset Ramguard 2-1/2 in. Drive Pins with Washers (100-pack) are durable, powder-actuated fasteners that are designed to penetrate dense concrete and structural-quality steel. The Ramguard hot dipped galvanized coating makes these pins suitable for fastening applications using pressure treated lumber. Industry leading manufacturing with high quality steel ensures reliability.