diff --git a/MinecraftClient/Protocol/Handlers/StructuredComponents/Components/26_1/HolderSetComponent261.cs b/MinecraftClient/Protocol/Handlers/StructuredComponents/Components/26_1/HolderSetComponent261.cs
new file mode 100644
index 00000000..516117ab
--- /dev/null
+++ b/MinecraftClient/Protocol/Handlers/StructuredComponents/Components/26_1/HolderSetComponent261.cs
@@ -0,0 +1,42 @@
+using System.Collections.Generic;
+using MinecraftClient.Inventory.ItemPalettes;
+using MinecraftClient.Protocol.Handlers.StructuredComponents.Core;
+
+namespace MinecraftClient.Protocol.Handlers.StructuredComponents.Components._26_1;
+
+public class HolderSetComponent261(DataTypes dataTypes, ItemPalette itemPalette, SubComponentRegistry subComponentRegistry)
+    : StructuredComponent(dataTypes, itemPalette, subComponentRegistry)
+{
+    public string? TagKey { get; set; }
+    public List<int> HolderIds { get; } = [];
+
+    public override void Parse(Queue<byte> data)
+    {
+        var count = DataTypes.ReadNextVarInt(data) - 1;
+        if (count == -1)
+        {
+            TagKey = DataTypes.ReadNextString(data);
+            return;
+        }
+
+        for (var i = 0; i < count; i++)
+            HolderIds.Add(DataTypes.ReadNextVarInt(data));
+    }
+
+    public override Queue<byte> Serialize()
+    {
+        var bytes = new List<byte>();
+        if (TagKey is not null)
+        {
+            bytes.AddRange(DataTypes.GetVarInt(0));
+            bytes.AddRange(DataTypes.GetString(TagKey));
+            return new Queue<byte>(bytes);
+        }
+
+        bytes.AddRange(DataTypes.GetVarInt(HolderIds.Count + 1));
+        foreach (var holderId in HolderIds)
+            bytes.AddRange(DataTypes.GetVarInt(holderId));
+
+        return new Queue<byte>(bytes);
+    }
+}
diff --git a/MinecraftClient/Protocol/Handlers/StructuredComponents/Components/26_1/InstrumentComponent261.cs b/MinecraftClient/Protocol/Handlers/StructuredComponents/Components/26_1/InstrumentComponent261.cs
new file mode 100644
index 00000000..0f91f0b3
--- /dev/null
+++ b/MinecraftClient/Protocol/Handlers/StructuredComponents/Components/26_1/InstrumentComponent261.cs
@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using MinecraftClient.Inventory.ItemPalettes;
+using MinecraftClient.Protocol.Handlers.StructuredComponents.Core;
+
+namespace MinecraftClient.Protocol.Handlers.StructuredComponents.Components._26_1;
+
+public class InstrumentComponent261(DataTypes dataTypes, ItemPalette itemPalette, SubComponentRegistry subComponentRegistry)
+    : StructuredComponent(dataTypes, itemPalette, subComponentRegistry)
+{
+    public int HolderId { get; set; }
+
+    public override void Parse(Queue<byte> data)
+    {
+        HolderId = DataTypes.ReadNextVarInt(data);
+        if (HolderId != 0)
+            return;
+
+        var soundHolderId = DataTypes.ReadNextVarInt(data);
+        if (soundHolderId == 0)
+        {
+            DataTypes.ReadNextString(data); // ResourceLocation
+            var hasFixedRange = DataTypes.ReadNextBool(data);
+            if (hasFixedRange)
+                DataTypes.ReadNextFloat(data);
+        }
+
+        DataTypes.ReadNextFloat(data); // useDuration
+        DataTypes.ReadNextFloat(data); // range
+        DataTypes.ReadNextNbt(data); // ComponentSerialization.STREAM_CODEC
+    }
+
+    public override Queue<byte> Serialize()
+    {
+        var bytes = new List<byte>();
+        bytes.AddRange(DataTypes.GetVarInt(HolderId));
+        return new Queue<byte>(bytes);
+    }
+}
diff --git a/MinecraftClient/Protocol/Handlers/StructuredComponents/Components/26_1/ProvidesTrimMaterialComponent261.cs b/MinecraftClient/Protocol/Handlers/StructuredComponents/Components/26_1/ProvidesTrimMaterialComponent261.cs
new file mode 100644
index 00000000..7c76b44a
--- /dev/null
+++ b/MinecraftClient/Protocol/Handlers/StructuredComponents/Components/26_1/ProvidesTrimMaterialComponent261.cs
@@ -0,0 +1,36 @@
+using System.Collections.Generic;
+using MinecraftClient.Inventory.ItemPalettes;
+using MinecraftClient.Protocol.Handlers.StructuredComponents.Core;
+
+namespace MinecraftClient.Protocol.Handlers.StructuredComponents.Components._26_1;
+
+public class ProvidesTrimMaterialComponent261(DataTypes dataTypes, ItemPalette itemPalette, SubComponentRegistry subComponentRegistry)
+    : StructuredComponent(dataTypes, itemPalette, subComponentRegistry)
+{
+    public int HolderId { get; set; }
+
+    public override void Parse(Queue<byte> data)
+    {
+        HolderId = DataTypes.ReadNextVarInt(data);
+        if (HolderId != 0)
+            return;
+
+        DataTypes.ReadNextString(data); // base asset suffix
+
+        var overrideCount = DataTypes.ReadNextVarInt(data);
+        for (var i = 0; i < overrideCount; i++)
+        {
+            DataTypes.ReadNextString(data); // ResourceKey<EquipmentAsset>
+            DataTypes.ReadNextString(data); // override suffix
+        }
+
+        DataTypes.ReadNextNbt(data); // ComponentSerialization.STREAM_CODEC
+    }
+
+    public override Queue<byte> Serialize()
+    {
+        var bytes = new List<byte>();
+        bytes.AddRange(DataTypes.GetVarInt(HolderId));
+        return new Queue<byte>(bytes);
+    }
+}
diff --git a/MinecraftClient/Protocol/Handlers/StructuredComponents/Registries/StructuredComponentsRegistry261.cs b/MinecraftClient/Protocol/Handlers/StructuredComponents/Registries/StructuredComponentsRegistry261.cs
index eff20fe7..d3a3cd12 100644
--- a/MinecraftClient/Protocol/Handlers/StructuredComponents/Registries/StructuredComponentsRegistry261.cs
+++ b/MinecraftClient/Protocol/Handlers/StructuredComponents/Registries/StructuredComponentsRegistry261.cs
@@ -5,6 +5,7 @@ using MinecraftClient.Protocol.Handlers.StructuredComponents.Components._1_21;
 using MinecraftClient.Protocol.Handlers.StructuredComponents.Components._1_21_2;
 using MinecraftClient.Protocol.Handlers.StructuredComponents.Components._1_21_5;
 using MinecraftClient.Protocol.Handlers.StructuredComponents.Components._1_21_11;
+using MinecraftClient.Protocol.Handlers.StructuredComponents.Components._26_1;
 using MinecraftClient.Protocol.Handlers.StructuredComponents.Core;
 
 namespace MinecraftClient.Protocol.Handlers.StructuredComponents.Registries;
@@ -22,7 +23,7 @@ public class StructuredComponentsRegistry261 : StructuredComponentRegistry
         RegisterComponent<UseEffectsComponent>(5, "minecraft:use_effects");
         RegisterComponent<CustomNameComponent>(6, "minecraft:custom_name");
         RegisterComponent<PotionDurationScaleComponent>(7, "minecraft:minimum_attack_charge");
-        RegisterComponent<RegistryEitherHolderComponent>(8, "minecraft:damage_type");
+        RegisterComponent<VarIntComponent>(8, "minecraft:damage_type");
         RegisterComponent<ItemNameComponent>(9, "minecraft:item_name");
         RegisterComponent<ItemModelComponent>(10, "minecraft:item_model");
         RegisterComponent<LoreNameComponent1206>(11, "minecraft:lore");
@@ -41,7 +42,7 @@ public class StructuredComponentsRegistry261 : StructuredComponentRegistry
         RegisterComponent<ConsumableComponent>(24, "minecraft:consumable");
         RegisterComponent<UseRemainderComponent>(25, "minecraft:use_remainder");
         RegisterComponent<UseCooldownComponent>(26, "minecraft:use_cooldown");
-        RegisterComponent<DamageResistantComponent>(27, "minecraft:damage_resistant");
+        RegisterComponent<HolderSetComponent261>(27, "minecraft:damage_resistant");
         RegisterComponent<ToolComponent>(28, "minecraft:tool");
         RegisterComponent<WeaponComponent>(29, "minecraft:weapon");
         RegisterComponent<AttackRangeComponent>(30, "minecraft:attack_range");
@@ -75,11 +76,11 @@ public class StructuredComponentsRegistry261 : StructuredComponentRegistry
         RegisterComponent<EntityDataComponent>(58, "minecraft:entity_data");
         RegisterComponent<BucketEntityDataComponent>(59, "minecraft:bucket_entity_data");
         RegisterComponent<BlockEntityDataComponent>(60, "minecraft:block_entity_data");
-        RegisterComponent<InstrumentComponent1215>(61, "minecraft:instrument");
-        RegisterComponent<ProvidesTrimMaterialComponent>(62, "minecraft:provides_trim_material");
+        RegisterComponent<InstrumentComponent261>(61, "minecraft:instrument");
+        RegisterComponent<ProvidesTrimMaterialComponent261>(62, "minecraft:provides_trim_material");
         RegisterComponent<OmniousBottleAmplifierComponent>(63, "minecraft:ominous_bottle_amplifier");
         RegisterComponent<JukeBoxPlayableComponent>(64, "minecraft:jukebox_playable");
-        RegisterComponent<ProvidesBannerPatternsComponent>(65, "minecraft:provides_banner_patterns");
+        RegisterComponent<HolderSetComponent261>(65, "minecraft:provides_banner_patterns");
         RegisterComponent<RecipesComponent>(66, "minecraft:recipes");
         RegisterComponent<LodestoneTrackerComponent>(67, "minecraft:lodestone_tracker");
         RegisterComponent<FireworkExplosionComponent>(68, "minecraft:firework_explosion");
@@ -112,9 +113,9 @@ public class StructuredComponentsRegistry261 : StructuredComponentRegistry
         RegisterComponent<VarIntComponent>(94, "minecraft:pig/sound_variant");           // New in 26.1
         RegisterComponent<VarIntComponent>(95, "minecraft:cow/variant");
         RegisterComponent<VarIntComponent>(96, "minecraft:cow/sound_variant");           // New in 26.1
-        RegisterComponent<EitherHolderComponent>(97, "minecraft:chicken/variant");
+        RegisterComponent<VarIntComponent>(97, "minecraft:chicken/variant");
         RegisterComponent<VarIntComponent>(98, "minecraft:chicken/sound_variant");       // New in 26.1
-        RegisterComponent<RegistryEitherHolderComponent>(99, "minecraft:zombie_nautilus/variant");
+        RegisterComponent<VarIntComponent>(99, "minecraft:zombie_nautilus/variant");
         RegisterComponent<VarIntComponent>(100, "minecraft:frog/variant");
         RegisterComponent<VarIntComponent>(101, "minecraft:horse/variant");
         RegisterComponent<PaintingVariantHolderComponent>(102, "minecraft:painting/variant");