4pc Heavy Duty Clamp Set - 3&frac14;" Outdoor Camping Tarp Clip - Sliding Secure Lock Grip Awning Clamps 4pc Versatile tarp clips with heavy-duty gripping power Unique sliding-lock design makes it easy to tighten and loosen on thick or thin tarps Tough weather-proof nylon, excellent quality ONLY BY ALAZCO 9/16" hole for bungee cord hooks, rope or for hanging Great for tarps, canvas, awnings, boat covers, tents, swimming pool covers