The Red Head Trubolt 12017 Wedge Anchors are designed for use in concrete and brick with a 1/2" anchor diameter and 3-3/4" length. These wedge anchors come in a pack of 10, each weighing 1.95 lbs. Manufactured by Red Head, they feature clear zinc plating and a hex head design. Made of carbon steel, these fasteners are suitable for interior use and have a maximum weight capacity of 0 lbs. Perfect for various fastening needs, these wedge anchors are a reliable and durable option for any project.