Ronstan RF30101 30mm Single Loop Top Block.

Low friction 2-stage ball bearing system provides consistent performance over the full working load range. Lightweight, with high static and dynamic load capacity. Ideal for the Topper mainsheet system.

• Sheave diameter: 30mm
• Maxumum rope diameter: 8mm
• Maximum working load: 300kg
• Breaking load: 750kg
• Weight: 28g

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