The Hook inside the channel balance for piece 5380-27, and piece 5380-33 easy to replace? If so is this a product that I can buy from you? Lastly if this is available to buy, I would like to know the number. Thank you in advance

The Hook inside the channel balance for piece 5380-27, and piece 5380-33 easy to replace? If so is this a product that I can buy from you? Lastly if this is available to buy, I would like to know the number. Thank you in advance
