Ronstan RF15312 Series 15 Triple Block, Becket, Loop Head.

Smallest and lightest ball bearing block available. Precision moulded acetal sheave running on stainless steel ball bearings provide high performance & low friction.

Can be used for control lines, vangs, cunninghams and tweakers as well as for shock cord tensioning systems.

• Sheave diameter: 15mm
• Maximum rope diameter: 5mm
• Maximum working load: 360kg
• Breaking load: 850kg
• Weight: 30g

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