WIDELY USED AND GREAT PERFORMANCE -The tie down anchors are heavy duty rings(1000 lb/453kg), which ideal to add tie down points for a truck, trailer, SUV, boat to carry heavy loads, and let you far away from cargo's swing and noise. SINGLE HOLE MOUNT FOR EASY INSTALLATION - Our V-ring design with one point mount, just thread bolt through the 0.39"/1cm hole and mount to a sturdy surface, then the installation is completed. PAINTED WITH PREMIUM BLACK PROTECTIVE COATING - There are quality coating painted on the tie down anchor to keep it far away from rusting, you should never worry about the rain or other matters to make the bolts rusted, they must keep in good condition to water. WIDE APPLICATION: Anchor all logistic tie-down ratchet and cam buckle straps, ropes, hooks, and chains to secure cargo of all sizes and weights. Package Quantity: 4 pcs V-Ring Hooks Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)