The RTC-2 Series Revolving Truck Cap is cast aluminum and designed for external halyard flagpoles, providing smooth rotation and durable functionality. Pulleys: 1-15/16″ outside diameter cast nylon on 1/4″ stainless steel axles Max. halyard diameter: 5/16″ Truck: secured by 3 stainless steel set screws (1/4″-20NC on RTC-1-2, RTC-1-138; 5/16″-18NC on RTC-1-238) Ornaments*: accepts spindle threading of 1/2″-13NC. Secured by 1 stainless steel set screw (1/4″-20NC) Movement: utilizes self-lubricating ball bearing assemblies for ease of rotation, product life and strength
