Construction: cast aluminum • Pulley: 1-5/16" outside diameter cast nylon on 1/4" stainless steel axle • 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
