{
  "values": [
    "minecraft:iron_bars",
    "minecraft:copper_bars",
    "minecraft:waxed_copper_bars",
    "minecraft:exposed_copper_bars",
    "minecraft:waxed_exposed_copper_bars",
    "minecraft:weathered_copper_bars",
    "minecraft:waxed_weathered_copper_bars",
    "minecraft:oxidized_copper_bars",
    "minecraft:waxed_oxidized_copper_bars"
  ]
}