The Harken 57mm Carbo Block Flip Flop with Cam is a versatile and durable sailing accessory designed for optimal performance. Weighing just 80 grams, its lightweight construction features a high-strength composite sheave that ensures smooth operation under load. The flip-flop design allows for easy switching between lines, making it perfect for quick adjustments on the water. The integrated cam provides reliable holding power, while the UV-stabilized materials ensure longevity in harsh marine environments. Whether you're racing or cruising, this block is an essential addition to your sailing gear!