Manufactured from Galvanized A36 Steel this series has a material tensile strength of 75,000 lbs / square inch. Material thickness is .125 (1/8 inch). Available in powder coated black, the corrosion resistance is good if the coatings are not damaged. Weight per unit is 5 lbs. The Edge & CoBra STV mounts with 3 bolts, nuts and washer (supplied with product)on each side and the Angler with 2 bolts, nuts and washer on each side.