Fits pole diameter of 2″.
Cast Aluminum, Single Pulley 1″ outside diameter cast nylon on 3/16″ stainless steel axle. Max halyard diameter 1/4″. Truck secured by 1 stainless steel set screw (size 1/4″-20NC)
Accepts spindle threading Ornaments of 1/2″-13NC. Secured by 1 stainless steel pan head screw (size 10-32)