Ronstan RF51300 50mm Triple Block | Series 50 Stainless Sailing Pulley

The Ronstan RF51300 is a compact, high-performance 50mm triple pulley block designed for multi-line rigging systems on dinghies, keelboats, and performance yachts. Part of the Ronstan Series 50, this block is ideal for applications that require multiple control lines in a tight, efficient package.

With three UV-stable acetal sheaves and 316 stainless steel cheeks, the RF51300 offers exceptional strength, low-friction operation, and excellent corrosion resistance. It's perfect for vang systems, mainsheets, traveller controls, or any configuration requiring a multi-purchase setup in a compact format.

✅ Key Features

• Ronstan RF51300 – Triple pulley block with 50mm sheaves

• Three UV-resistant acetal sheaves for smooth line handling

• 316 stainless steel cheeks for superior durability and strength

• Ideal for multi-line and purchase system configurations

• Perfect for mainsheets, vangs, traveller setups, and control lines

• Built for dinghies, keelboats, and small performance yachts

• Compact, corrosion-resistant, and easy to rig

• Part of the Ronstan Series 50 sailing hardware range

Ronstan RF51300 50mm Triple pulley specifications:

• Sheave Diam. 50mm
• Max. Rope Diam. 12mm
• Pin Diam. 1/4 in.
• Max. Working Load 2650 lb
• Breaking Load 5290 lb