Ronstan RF572 25mm Series 25 Utility Block – Single becket loop head pulley with stainless steel cheeks and acetal sheave Ronstan RF572 25mm Series 25 Utility Block – Single becket loop head pulley with stainless steel cheeks and acetal sheave
Ronstan RF572 25mm Series 25 Utility Block – Single becket loop head pulley with stainless steel cheeks and acetal sheave

Ronstan

Ronstan RF572 – 25mm Series 25 Utility Block with Becket and Loop Head

$25.60
Tax included.

The Ronstan RF572 Series 25 Utility Block is a lightweight, durable, and economical solution for various sailing applications. Featuring a 25mm sheave, stainless steel cheeks, and UV-stabilised acetal sheaves, it ensures long service life with virtually no maintenance required.

Ideal for vang, cunningham, and trapeze retriever systems on dinghies, as well as leech line tackles and bunk adjusters on larger yachts. The loop head design allows for easy attachment, and the becket provides additional purchase options.

Specifications:

  • Sheave Diameter: 25mm

  • Maximum Rope Diameter: 6mm

  • Maximum Working Load (MWL): 300kg

  • Breaking Load (BL): 600kg

  • Weight: 20g