Snatch block LB04.5T sheave Ø 55mm for FX+4500

The Lankhorst FB70 block is designed specifically for the FX+4500 system, offering a 2:1 mechanical advantage that enhances efficiency in sail handling. Constructed with high-quality materials, this block ensures durability and reliability in demanding marine environments. Its sleek design minimizes friction, allowing for smooth operation and easy adjustments. The FB70 block is ideal for both cruising and racing applications, providing sailors with the performance they need to optimize their rigging setup. Whether you are upgrading your existing system or building a new one, the FB70 block is an essential component for achieving optimal sail control.