The 3/8 x 5 DeWALT Engineered by Powers SCREW-BOLT+™ High Performance Screw Anchor Zinc-Plated (50) is designed for optimal performance. The zinc-plated screws provide superior corrosion resistance, and their advanced design makes them 3x stronger than standard anchors. With a holding power of up to 5,000 lb., this product is ideal for heavy-duty applications.