Ronstan Series 15 Ball Bearing Single Block with Swivel Shackle, RF15100
AUD $19.95
AUD $25.12
Ronstan
Ronstan Series 20 Ball Bearing Double Block with Shackle, RF20202
Ronstan
AUD $37.95
AUD $44.70
(You save
AUD $6.75
)
The Ronstan Series 20 Ball Bearing Double Block with Shackle (RF20202) is a high-performance, compact block ideal for dinghies, small keelboats, and foiling craft. Designed for multi-purchase control systems, it provides smooth, low-friction operation under high dynamic and static loads.
Featuring dual stainless steel ball bearing sheaves, the block ensures reliable rotation and maximum efficiency. The integrated shackle head allows secure attachment to strops, eyelets, or soft shackles, providing flexible mounting options while maintaining a robust, lightweight design.
Perfect for vangs, cunningham, outhauls, and traveller systems, the RF20202 combines Ronstan’s proven durability with performance-focused design. Its polymer housing and stainless steel bearings resist corrosion and wear, ensuring long-lasting service in marine environments.
Dual Axis Shackle Head allows block to be oriented in either plane depending on application.
FEATURES
Low friction.
High static and dynamic load capacity.
Lightweight
Specifications
| Type of Block | Double |
|---|---|
| Sheave diameter (mm) | 20mm |
| B.L. (kg) | 700 |
| M.W.L. (kg) | 350 |
| Max. Rope diameter (mm) | 6 |
| Weight (g) | 42 |
| Pin Ø (mm) | 4 |
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