Description

Ronstan 8:1 & 4:1 Two-speed Mainsheet System Bottom Blocks Only

Features:

• Coarse and and fine tuning purchase system.
• Unrivalled 18:1 holding power.
• Dual sided On-Off switch.
• Low friction ball bearing system.
• Lightweight.
• Cheek cut-outs for easy bearing maintenance

Materials:

• Carbon Black Acetal ball bearings.
• U.V. stabilised Acetal sheaves, alloy ratchet sheaves.
• Cheek plates: Anodised aluminium.
• Torlon ratchet pawl. Adjustable cleat arms