GroGreen STAP SOD 06 6" Sod Staples 1000 Count - Sod staples are used to secure landscape materials into the ground, such as fencing, pipes and soil mats. These sod staples are cold rolled steel with a thickness of 0.105mm. They are "U" shaped to a size of 6" x 1" x 6” each. There is no paint or other coatings on the staples.