Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171

The Ronstan 30 mm Series 30 Upright Lead Block (RF30171) has self-lubricating Acetal polymer sheaves running on polished stainless steel races that perform equally well with dynamic loads and high static loads.

Features:

• Low friction
• High static and dynamic load capacity
• Lightweight
• Stainless steel ball bearings
• UV stabilished Acetal sheave
• Grade 316 stainless steel load housing
• Impact and UV resistant, stainless steel cheeks
• Typically used for halyards at the mast base

Specifications:

• Safe working load: 660 lb (300 kg)
• Breaking load: 1650 lb (750 kg)
• Weight: 1.1 oz (30 g)
• Sheave diameter: 1 3/16" (30 mm)
• Maximum line size: 5/16" (8 mm)
• Materials:
  • U.V. stabilized Acetal sheaves
  • Grade 316 stainless steel bearing race
  • Grade 316 stainless steel load housing
  • Impact and UV resistant, stainless steel cheeks