3974 Dunbier Ratchet Ski Hook Tie Down | Marine Trailer Part

🔧 Product Description

Dunbier Medium-Duty Adjustable Ski-Hook Ratchet Tie-Down Pair – Part Number: 3974

A Dunbier trailer tie-down using 25mm webbing and a approximately 280–1220mm adjustable working length. The ski hooks connect the boat to rated trailer attachment points, while the ratchet, overcentre or camlock mechanism tensions the strap for transport. The published rating is 700kg breaking strength.

⚙️ Key Features

• Web width: 25mm
• Length: approximately 280–1220mm adjustable
• Hook arrangement: ski hooks
• Published rating: 700kg breaking strength
• Marine-trailer securing application
• Supplied as: pair

📏 Specifications

• Webbing: 25mm
• Length: approximately 280–1220mm adjustable
• Hardware: ski hooks
• Rating: 700kg breaking strength
• Quantity: pair

🔄 Cross Reference & Related Parts

• Dunbier: 3974
• All Dunbier tie-downs must be used within their permanent marked rating
• Related Dunbier tie-down family: 3930–3974

🚤 Trailer Compatibility & Application

• Suitable for securing the bow, transom, personal watercraft or complete boat only as described by the product type
• Attachment points must be structurally rated and correctly positioned
• The working load must be based on the product label, not breaking strength alone

🔌 Function

Restrains the boat against vertical and lateral movement during road transport.

⚠️ Common Signs of Failure

• Webbing is cut, frayed or UV-degraded
• Hooks are bent or coating is worn through
• Ratchet/camlock does not hold tension
• Stitching is damaged
• Rating label is unreadable

🛠️ Installation & Safety

• Inspect before every trip
• Do not knot, twist or run webbing over sharp edges
• Tension evenly without deforming the hull
• Use separate bow and transom restraints as required
• Replace any strap with damaged load-bearing fibres

📦 Condition

• Genuine Dunbier Marine Products part
• Brand new
• Supplied as one pair Dunbier tie-down assembly
• Supplied in original or equivalent packaging