Scanstrut Central Antenna Bar - 1" x 14" TPI Thread Free shipping for all orders over $50.00. 30 days returns. Sign up for great deals with Fishbrain Pro. Share Loading Facebook Like button... Scanstrut Central Antenna Bar - 1" x 14" TPI Thread Free shipping for all orders over $50.00. 30 days returns. Sign up for great deals with Fishbrain Pro. Share Loading Facebook Like button...