Barn Hook Kit, Bolt on (5K Mast) Cardinal bolt-on barn hook kit for 5K masts. Mounting plate with u-bolts. Two ratchets. Two barn hooks. Made for 5K masts only. At Pine Hill, we weld the mount to the mast instead of the u bolts. Gives the mount more rigidity. For more... MSRP: Was: Now: $249.00 Add to Cart Compare