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Ronstan
Ronstan Series 40 Ball Bearing Upright Lead Single Block - RF40171
Item: #1828527 | Part Number: RF40171$55.79
Description
The Ronstan Series 40 Ball Bearing Upright Lead Single Block RF40171 is a compact, high-performance solution for leading halyards and control lines. Featuring UV-stabilized Acetal sheaves running on Torlon® ball bearings, it delivers smooth, low-friction operation under load. Built with a stainless steel housing, it's strong, lightweight, and ideal for clean line runs at the mast base.
Ronstan Series 40 Ball Bearing Upright Lead Single Block - RF40171 Item # 1828527
Description
Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision molded Acetal sheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.
Features:
- Typically used for halyards at the mast base
Specifications:
- Type of Block: Upright Lead
- Breaking Load: 2204.6 lbs (1000 kg)
- Maximum Working Load: 771.6 lbs (350 kg)
- Maximum Rope Diameter: 0.39" (10 mm)
- Weight: 2.12 oz (60 g)
- Fastener Diameter: 0.20" (5 mm)
- Materials:
- Acetal ball bearings
- UV stabilized Acetal sheave
- Grade 316 stainless steel load housing