The kit comes with a sturdy 1/2 in. pole that has a 3/8 in. reducing ferrule and fits all 3/8 in. (9.5mm) spinner poles. Extension pole is 38 in. long.Use with the following poles: Flexible Red Windsock Pole-10 ft. Stock Number 06-77610Flexible Red Windsock Pole-13 ft. Stock Number 06-7761310ft Heavy Duty Telescoping Pole Stock Number 32-363513ft Heavy Duty Telescoping Pole Stock Number 32-3636