Ronstan RF30174 Series 30 Ball Bearing Block – Pivoting Lead

The Ronstan RF30174 Series 30 Ball Bearing Block – Pivoting
Lead is a low profile solution for leading halyards or
other rig sail controls back to cleats or jammers. Precision
moulded Acetal sheaves running on Acetal ball bearings provide high
performance and low friction. The 2-stage ball bearing system
provides consistent performance over the full load range.

Ronstan RF30171 Series 30 Ball Bearing Block – Upright Lead
Features:

• Pivoting version suits controls that need to be trimmed from
  either side of the boat
• Acetal ball bearings
• UV stabilised Acetal sheave
• Grade 316 stainless steel load housing

Ronstan RF30171 Series 30 Ball Bearing Block – Upright Lead
Specifications:

• Sheave diameter: 30 mm
• Max. Rope diameter: 8 mm
• Fastener diameter: 5.0 mm
• M.W.L.: 300 kg
• B. L.: 650 kg
• Weight: 50 g