Ronstan Series 75 Pivoting Low-Lead Ratchet Block

The Series 75 Ratchet is a pivoting low lead block designed for efficient line control with a 75 mm (3") sheave. It features a durable ratchet mechanism and lightweight construction for versatile sailing applications.

Features:

• High holding power with a 20:1 mechanical advantage for secure line grip
• Dual-sided on/off switch allows easy operation from either side under load
• Low-friction ball bearing system ensures smooth rotation and reduced wear
• Pivoting design maintains alignment with variable line entry angles
• Lightweight construction using machined alloy and acetal components
• Cheek cut-outs provide easy access for bearing maintenance and cleaning
• Removable switch knob for customizable setup

Specifications:

• Sheave Diameter: 75 mm (3")
• Breaking Load: 1370 kg (3020 lbs)
• Maximum Working Load: 420 kg (930 lbs)
• Max Rope Diameter: 12 mm (1/2")
• Fastener Diameter: 6 mm (1/4")
• Block Type: Ratchet flip-flop
• Sheave Material: Anodized aluminum
• Ratchet Pawl Material: Torlon