The product is a set of 25 clear zinc-plated steel hex nut-head concrete wedge anchors from the brand Red Head. These anchors are designed for fastening into brick and concrete with a 1/2 inch anchor diameter and 3-3/4 inch anchor length. The product weighs 5 pounds and is covered by a 90-day return policy. Manufactured with carbon steel, these wedge anchors are suitable for interior use and come with a manufacturer warranty.