Fit for : Multi-Purpose mounting in The Dirt Bike, Trailers, Trucks ,Bikes, ATVs, UTVs, quads, motorcycles, Golf Cart ,Garage ,Work Shop , heavy machinery and power tools, and other loads.Anchor all logistic tie-down ratchet and cam buckle straps, ropes, hooks, and chains to secure cargo of all sizes and weights. Material : Made of high-strength Stainless steel construction and painted with high quality black protective coating to ensure they are not corroded and rusted during long working hours. Strong and Durable, long life. Easy To Install : By installing tie down strap rings on the clamp, connect the binding device to the strap ring.you get a very secure point to attach the tie down hook. they can be easily connected your cargo and make the process of loading and unloading the cargo provide easy and convenient. The small round circle allows attach tie-downs about 8.5mm / 0.35" diameter or smaller bolt.The larger oval ring about 15mmx18mm / 0.59"x0.71" diameter. Package Included : 10-pack Tie Down Anchor Strapping Hooks