diff --git a/src/main/java/com/hbm/hazard/transformer/HazardTransformerRadiationContainer.java b/src/main/java/com/hbm/hazard/transformer/HazardTransformerRadiationContainer.java
index 5f42aed1a..a2bc8a945 100644
--- a/src/main/java/com/hbm/hazard/transformer/HazardTransformerRadiationContainer.java
+++ b/src/main/java/com/hbm/hazard/transformer/HazardTransformerRadiationContainer.java
@@ -41,7 +41,7 @@ public class HazardTransformerRadiationContainer extends HazardTransformerBase {
 		
 		if(isBox) {
 
-			ItemStack[] fromNBT = ItemStackUtil.readStacksFromNBT(stack);
+			ItemStack[] fromNBT = ItemStackUtil.readStacksFromNBT(stack, 20);
 			if(fromNBT == null) return;
 			
 			for(ItemStack held : fromNBT) {
diff --git a/src/main/java/com/hbm/items/tool/ItemLeadBox.java b/src/main/java/com/hbm/items/tool/ItemLeadBox.java
index ca7d75c61..7bee249cf 100644
--- a/src/main/java/com/hbm/items/tool/ItemLeadBox.java
+++ b/src/main/java/com/hbm/items/tool/ItemLeadBox.java
@@ -54,10 +54,10 @@ public class ItemLeadBox extends Item implements IGUIProvider {
 			if(!box.hasTagCompound())
 				box.setTagCompound(new NBTTagCompound());
 			
-			ItemStack[] fromNBT = ItemStackUtil.readStacksFromNBT(box);
+			ItemStack[] fromNBT = ItemStackUtil.readStacksFromNBT(box, slots.length);
 			
 			if(fromNBT != null) {
-				for(int i = 0; i < Math.min(slots.length, fromNBT.length); i++) {
+				for(int i = 0; i < slots.length; i++) {
 					slots[i] = fromNBT[i];
 				}
 			}
diff --git a/src/main/java/com/hbm/util/ItemStackUtil.java b/src/main/java/com/hbm/util/ItemStackUtil.java
index 036df5e37..313e9bad3 100644
--- a/src/main/java/com/hbm/util/ItemStackUtil.java
+++ b/src/main/java/com/hbm/util/ItemStackUtil.java
@@ -118,27 +118,34 @@ public class ItemStackUtil {
 		stack.stackTagCompound.setTag("items", tags);
 	}
 	
-	public static ItemStack[] readStacksFromNBT(ItemStack stack) {
+	public static ItemStack[] readStacksFromNBT(ItemStack stack, int count) {
 
 		if(!stack.hasTagCompound())
 			return null;
 
 		NBTTagList list = stack.stackTagCompound.getTagList("items", 10);
-		int count = list.tagCount();
+		if(count == 0) {
+			count = list.tagCount();
+		}
 
 		ItemStack[] stacks = new ItemStack[count];
 
 		for(int i = 0; i < count; i++) {
 			NBTTagCompound slotNBT = list.getCompoundTagAt(i);
 			byte slot = slotNBT.getByte("slot");
-			if(slot >= 0 && slot < stacks.length) {
-				stacks[slot] = ItemStack.loadItemStackFromNBT(slotNBT);
+			ItemStack loadedStack = ItemStack.loadItemStackFromNBT(slotNBT);
+			if(slot >= 0 && slot < stacks.length && loadedStack != null) {
+				stacks[slot] = loadedStack;
 			}
 		}
 		
 		return stacks;
 	}
 	
+	public static ItemStack[] readStacksFromNBT(ItemStack stack) {
+		return readStacksFromNBT(stack, 0);
+	}
+	
 	/**
 	 * Returns a List<String> of all ore dict names for this stack. Stack cannot be null, list is empty when there are no ore dict entries.
 	 * @param stack