Open Face Corner Block Sheave 100mmOpen Face Corner Block Sheave 100mm Max Rope Diameter 12mm The open faced pulley is designed for pulling trees perpendicularly to the trail when traction comes from a vehicle. It is also useful for changing the trajectory and avoiding obstacles. In addition, when it is used at height, the pulling angle lifts the end of the log slighting and thus reduced friction with the ground. Made of steel, it is shock resistant and is generally used together with