Ronstan RF187 30mm Fiddle Block with V-Jam Cleat – Series 30 Pulley NZThe Ronstan RF187 Series 30 Fiddle Block with V Jam Cleat is a lightweight, high performance sailing block designed for efficient line handling and secure cleating in one compact unit. Featuring a dual sheave (fiddle) configuration and integrated V jam cleat, this block is ideal for control line systems where quick adjustment and holding power are essential. Built with UV stabilised acetal sheaves and 316 stainless steel cheeks, the RF187 delivers

Part Number : 157001

Sheave diameter: 40 mm (1 9/16″)

Panels meet ABYC standards

Part of the reliable Ronstan Series 55

breaking any siphon effect

Improved boating knowledge

Sailors wanting bare-finger feel for fine adjustments (consider CL710 3-finger)

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The Ronstan RF51530 is a versatile 50mm fiddle block with integrated becket and cam cleat

These super bright LED underwater lights can be used on T -Tops

Made from high-quality marine-grade rubber

Coverage: 2 square meters per liter (80 SF/Gal)