Red Hound Auto 2 T-Hook Tie Down Rope Kit Anchor Point Boat Truck Trailer Set Pair 2 Tiedown Anchor Points, Hardware Included Size: 5 1/4" Overall Length, 1 1/2" Tall, 3 5/8" Hole Spacing These heavy duty, commercial grade rope/cleat tie downs are made from premium industrial grade materials and factory tested Material: Zinc plated heavy duty metal Heavy duty metal is zinc plated for rust protection