diff --git a/Assembly-CSharp.csproj b/Assembly-CSharp.csproj
index 20de6a7..cb91d67 100644
--- a/Assembly-CSharp.csproj
+++ b/Assembly-CSharp.csproj
@@ -60,6 +60,7 @@
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoFakeTriggerListener.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoList.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoPhysicHelper.cs" />
+     <Compile Include="Assets\IsoTools\Scripts\Internal\IsoPhysicHelperHolder.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoUtils.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoBoxCollider.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoCollider.cs" />
diff --git a/Assets/IsoTools/Scripts/Internal/IsoPhysicHelperHolder.cs b/Assets/IsoTools/Scripts/Internal/IsoPhysicHelperHolder.cs
new file mode 100644
index 0000000..a46340f
--- /dev/null
+++ b/Assets/IsoTools/Scripts/Internal/IsoPhysicHelperHolder.cs
@@ -0,0 +1,18 @@
+using UnityEngine;
+using System.Collections;
+
+namespace IsoTools.Internal {
+	public class IsoPhysicHelperHolder : MonoBehaviour {
+		protected GameObject fakeObject {
+			get { return physicHelper.isoFakeObject; }
+		}
+
+		protected IsoPhysicHelper physicHelper {
+			get { return IsoUtils.GetOrCreateComponent<IsoPhysicHelper>(gameObject); }
+		}
+
+		protected void DestroyUnnecessaryCheck() {
+			physicHelper.DestroyIfUnnecessary(this);
+		}
+	}
+}
\ No newline at end of file
diff --git a/Assets/IsoTools/Scripts/Internal/IsoPhysicHelperHolder.cs.meta b/Assets/IsoTools/Scripts/Internal/IsoPhysicHelperHolder.cs.meta
new file mode 100644
index 0000000..1605777
--- /dev/null
+++ b/Assets/IsoTools/Scripts/Internal/IsoPhysicHelperHolder.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 24e253f6697d448229f535a2e796f72b
+timeCreated: 1461163442
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/IsoTools/Scripts/IsoCollider.cs b/Assets/IsoTools/Scripts/IsoCollider.cs
index 864b9a0..04c7554 100644
--- a/Assets/IsoTools/Scripts/IsoCollider.cs
+++ b/Assets/IsoTools/Scripts/IsoCollider.cs
@@ -7,7 +7,7 @@ using UnityEditor;
 
 namespace IsoTools {
 	[RequireComponent(typeof(IsoObject))]
-	public abstract class IsoCollider : MonoBehaviour {
+	public abstract class IsoCollider : IsoPhysicHelperHolder {
 		protected abstract Collider CreateRealCollider(GameObject target);
 
 		IsoFakeCollider _fakeCollider;
@@ -17,14 +17,6 @@ namespace IsoTools {
 			get { return _realCollider; }
 		}
 
-		protected GameObject fakeObject {
-			get { return physicHelper.isoFakeObject; }
-		}
-
-		protected IsoPhysicHelper physicHelper {
-			get { return IsoUtils.GetOrCreateComponent<IsoPhysicHelper>(gameObject); }
-		}
-
 		[SerializeField]
 		public PhysicMaterial _material  = null;
 		public PhysicMaterial material {
@@ -118,7 +110,7 @@ namespace IsoTools {
 			if ( _fakeCollider ) {
 				Destroy(_fakeCollider);
 			}
-			physicHelper.DestroyIfUnnecessary(this);
+			DestroyUnnecessaryCheck();
 		}
 
 	#if UNITY_EDITOR
diff --git a/Assets/IsoTools/Scripts/IsoCollisionListener.cs b/Assets/IsoTools/Scripts/IsoCollisionListener.cs
index 96c0613..cbda7aa 100644
--- a/Assets/IsoTools/Scripts/IsoCollisionListener.cs
+++ b/Assets/IsoTools/Scripts/IsoCollisionListener.cs
@@ -4,18 +4,10 @@ using IsoTools.Internal;
 namespace IsoTools {
 	[DisallowMultipleComponent]
 	[RequireComponent(typeof(IsoObject))]
-	public class IsoCollisionListener : MonoBehaviour {
+	public class IsoCollisionListener : IsoPhysicHelperHolder {
 
 		IsoFakeCollisionListener _fakeListener;
 
-		GameObject fakeObject {
-			get { return physicHelper.isoFakeObject; }
-		}
-
-		IsoPhysicHelper physicHelper {
-			get { return IsoUtils.GetOrCreateComponent<IsoPhysicHelper>(gameObject); }
-		}
-
 		void Awake() {
 			_fakeListener = fakeObject.AddComponent<IsoFakeCollisionListener>().Init(this);
 		}
@@ -24,7 +16,7 @@ namespace IsoTools {
 			if ( _fakeListener ) {
 				Destroy(_fakeListener);
 			}
-			physicHelper.DestroyIfUnnecessary(this);
+			DestroyUnnecessaryCheck();
 		}
 	}
 }
\ No newline at end of file
diff --git a/Assets/IsoTools/Scripts/IsoRigidbody.cs b/Assets/IsoTools/Scripts/IsoRigidbody.cs
index 76c856a..aaea7ed 100644
--- a/Assets/IsoTools/Scripts/IsoRigidbody.cs
+++ b/Assets/IsoTools/Scripts/IsoRigidbody.cs
@@ -8,7 +8,7 @@ using UnityEditor;
 namespace IsoTools {
 	[DisallowMultipleComponent]
 	[RequireComponent(typeof(IsoObject))]
-	public class IsoRigidbody : MonoBehaviour {
+	public class IsoRigidbody : IsoPhysicHelperHolder {
 
 		IsoFakeRigidbody _fakeRigidbody;
 
@@ -17,14 +17,6 @@ namespace IsoTools {
 			get { return _realRigidbody; }
 		}
 
-		GameObject fakeObject {
-			get { return physicHelper.isoFakeObject; }
-		}
-
-		IsoPhysicHelper physicHelper {
-			get { return IsoUtils.GetOrCreateComponent<IsoPhysicHelper>(gameObject); }
-		}
-
 		[SerializeField]
 		public float _mass = 1.0f;
 		public float mass {
@@ -350,7 +342,7 @@ namespace IsoTools {
 			if ( _fakeRigidbody ) {
 				Destroy(_fakeRigidbody);
 			}
-			physicHelper.DestroyIfUnnecessary(this);
+			DestroyUnnecessaryCheck();
 		}
 
 	#if UNITY_EDITOR
diff --git a/Assets/IsoTools/Scripts/IsoTriggerListener.cs b/Assets/IsoTools/Scripts/IsoTriggerListener.cs
index 184f2a3..f1e6cf3 100644
--- a/Assets/IsoTools/Scripts/IsoTriggerListener.cs
+++ b/Assets/IsoTools/Scripts/IsoTriggerListener.cs
@@ -4,18 +4,10 @@ using IsoTools.Internal;
 namespace IsoTools {
 	[DisallowMultipleComponent]
 	[RequireComponent(typeof(IsoObject))]
-	public class IsoTriggerListener : MonoBehaviour {
+	public class IsoTriggerListener : IsoPhysicHelperHolder {
 
 		IsoFakeTriggerListener _fakeListener;
 
-		GameObject fakeObject {
-			get { return physicHelper.isoFakeObject; }
-		}
-
-		IsoPhysicHelper physicHelper {
-			get { return IsoUtils.GetOrCreateComponent<IsoPhysicHelper>(gameObject); }
-		}
-
 		void Awake() {
 			_fakeListener = fakeObject.AddComponent<IsoFakeTriggerListener>().Init(this);
 		}
@@ -24,7 +16,7 @@ namespace IsoTools {
 			if ( _fakeListener ) {
 				Destroy(_fakeListener);
 			}
-			physicHelper.DestroyIfUnnecessary(this);
+			DestroyUnnecessaryCheck();
 		}
 	}
 }
\ No newline at end of file