75mm Carbo Fiddle Block wth Becket features high-load ball bearings with fitted races for low-friction operation. Used to build simple three- and four-part purchases. Dual Delrin® sheave diameters prevent line chafe and form a neat, low-friction tackle in a single plane. Three-way head system and removable becket is standard. Cheek material/finish constructed from long-glass reinforced engineered nylon.