The Ronstan RF181 Strip Boom Hanger 55mm is a compact and durable marine fitting designed for securely attaching blocks, mainsheets, and rigging hardware to your boom. Ideal for dinghies, catamarans, and small keelboats, this strip hanger delivers reliable performance in demanding marine environments.

Constructed from marine-grade 316 stainless steel, the RF181 provides excellent corrosion resistance, making it perfectly suited to New Zealand’s saltwater conditions. Its streamlined 55mm design is ideal for tighter boom spaces while still delivering strong load distribution through four secure fixing points.

Whether you’re upgrading your rigging system or replacing worn hardware, the RF181 offers trusted Ronstan performance for safe and efficient sailing.

Key Features

• 316 stainless steel construction for maximum corrosion resistance
• Compact 55mm (2¼”) strip hanger design for tight boom installations
• 4 x 5mm fixing holes for strong, stable mounting
• Ideal for attaching blocks, mainsheets, and control systems
• Suitable for dinghies, catamarans, and small keelboats
• Trusted Ronstan marine hardware quality

Specifications

• Length: 55mm (2¼")
• Fixing Holes: 4 x 5mm diameter
• Material: 316 Stainless Steel
• Weight: Approx. 20g
• Application: Boom fitting for attaching blocks and rigging

Why Choose the Ronstan RF181 Strip Hanger? 

Designed for reliability and simplicity, the RF181 is perfect for New Zealand sailors needing a compact boom attachment solution. Its shorter 55mm profile makes it ideal where space is limited, without compromising strength or durability.

Used widely across dinghies and small keelboats, this fitting ensures secure block attachment and smooth rigging operation in coastal and offshore conditions.