Ramset 2-1/2 in drive pin with washer. The ramset ramguard 2-1/2 in. Drive pins with washers (100 PK) 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.