Harken 57mm Ratchet Block - Swivel, 2x GRIP

The Harken 57mm Ratchet Block - Swivel, 2x GRIP is a top-tier solution for small one-design racers seeking advanced control in heavy breeze and steady conditions. Engineered with Harken’s Power3 technology, this block offers a significant 20:1 holding power, making it ideal for sailors who need maximum responsiveness and dependable grip in changing wind and water conditions. The dual-sided on/off ratchet control allows seamless operation from either side, adding convenience and flexibility during active maneuvers.

Key Features:

Block Size: 57mm sheave diameter

Grip Ratio: 2x GRIP, offering up to 20:1 holding power

Swivel Head: Rotating swivel provides ideal line alignment

Control: On/off ratchet switch accessible from both sides

Technology: Part of Harken’s Power3 series for fine-tuned performance

Application: Ideal for small one-design racing dinghies and sportboats

Material: Lightweight, corrosion-resistant materials for long-lasting use

Use Case: Best suited for big breeze and steady conditions

Variants Available:

Grip Strength Options: 1.5x GRIP (moderate conditions), 2x GRIP (steady, high wind)

Mount Style Options: Swivel or Fixed mount available in the Harken 57mm series