The Ronstan RF1850S Wide D Shackle (1/8" Pin) is a compact, lightweight marine fitting designed for secure rigging connections where space is limited. Featuring a wide internal profile, it allows easy attachment of multiple lines, webbing, or small hardware components in tight installations.

Constructed from marine-grade 316 stainless steel, this shackle offers excellent corrosion resistance and long-lasting durability in New Zealand’s saltwater environments. The slotted pin design ensures secure fastening while maintaining a simple, reliable connection system.

Ideal for dinghies, small yachts, and light-duty marine applications, the RF1850S delivers a strong yet lightweight solution for everyday sailing hardware needs.

Key Features

• Wide D shackle design for increased clearance in compact spaces
• 316 stainless steel construction for superior corrosion resistance
• 1/8" (3.2mm) slotted pin for secure and simple fastening
• Lightweight with high strength-to-weight ratio
• Ideal for small boat rigging, blocks, and light-duty connections
• Trusted Ronstan marine hardware quality

Specifications

• Pin Diameter: 3.2mm (1/8")
• Internal Length: approx. 11–17mm
• Internal Width: approx. 9–13mm
• Working Load Limit: approx. 250–280kg
• Breaking Load: approx. 500–550kg
• Weight: approx. 2g
• Material: 316 Stainless Steel

Why Choose the Ronstan RF1850S? 

For New Zealand sailors, compact rigging hardware must balance strength, durability, and corrosion resistance. The RF1850S is perfect for light-duty applications where space is tight, offering reliable performance without adding unnecessary weight.

Its wide body design makes it especially useful for attaching multiple lines or fittings, making it a versatile choice for dinghy sailors and small boat setups across NZ coastal conditions.