Feature: 1. HEAVY DUTY BOAT ANCHOR HOOK: Made of marine grade 304 stainless steel feature waterproof, rustproof and erosion resistant. Hold up 8000lbs to reliably hold your pontoon boat. Adapt from 3/8in‑5/8in boat anchor rope. Boat hook stainless steel opening accommodate up to 3/4in 2. A MUST HAVE FOR BOAT OWNER: No need to untie or tie the knots to save times with docking boat efficiently and conveniently. Boat anchor clips make drop and drag anchor in your boat extremely easy. And easily extend or retract the anchor line to hold at the desired position 3. ERGONOMIC DESIGN: Surface frosted non slip design, slide boat anchor hook utilize non slip design of the boat quick release anchor clip lever and arc design lever fitting your finger shape to add the safety and comfort of use 4. EASY TO ADJUST BOAT POSITION: No need to jump off the boat to adjust the boat anchor rope. Just clip boat anchor hook on the boat cleat and pull the anchor rope on the boat, the boat approach or leave the shore. Clip the anchor hook for boat on sand spike boat anchor pole and pull the boat anchor line, the boat position is adjusted during the tide changes 5. WIDE APPLICATION: Knotless anchor system prefect fit for anchoring boats, pontoons, kayaks, jet skis, yachts, etc. Even used in luggage, goods of cars, RVs, Campers, motorhomes, etc. Used well in dog leashes, boating, fishing, camping. More uses only depend on your imagination Specification: Item Type: Boat Anchor Hook Material: Stainless steel and zinc alloy(surface plating) Applicable Rope: 3/8in-5/8in Length: Approx. 108mm / 4.25in Big Hole Diameter: Approx. 40mm / 1.57in Small Hole Diameter: Approx. 17mm / 0.67in . Package List: 1 x Boat Anchor Hook