diff --git a/config.yml b/config.yml
index 716050e..3fb076f 100644
--- a/config.yml
+++ b/config.yml
@@ -6,25 +6,32 @@ break:
   break-prerequisite:
     # 'unknown' means we dont know where the spawner came from (usually a generated one or e.g. using worldedit)
     UNKNOWN:
+      # Which items are allowed to break a spawner (null to allow everything)
+      allowed-items:
+        - 'diamond_pickaxe'
       # silktouch-enchantment is needed to be able to break this block
-      # if set to false, any break is considered a 'success'
+      # if everything is set to false, any break is considered a 'success'
       silktouch: true
       # messages for success or failure
       msg:
         success: ''
-        fail: '§7§oNothing happens, it seems you cannot break the spawner without the Silktouch-enchantment'
+        fail: '§7§oNothing happens, it seems you need a diamond-pickaxe with silktouch'
 
     PLAYER:
+      allowed-items:
+        - 'diamond_pickaxe'
       silktouch: true
       msg:
         success: ''
-        fail: '§7§oNothing happens, it seems you cannot break the spawner without the Silktouch-enchantment'
+        fail: '§7§oNothing happens, it seems you need a diamond-pickaxe with silktouch'
 
     ADMIN:
+      allowed-items:
+        - 'diamond_pickaxe'
       silktouch: true
       msg:
         success: ''
-        fail: '§7§oNothing happens, it seems you cannot break the spawner without the Silktouch-enchantment'
+        fail: '§7§oNothing happens, it seems you need a diamond-pickaxe with silktouch'
 
 
   drop:
@@ -36,18 +43,24 @@ break:
   drop-prerequisite:
 
     UNKNOWN:
+      allowed-items:
+        - 'diamond_pickaxe'
       silktouch: true
       msg:
         success: '§7§oThe spawner breaks with a loud *Pop* and falls to the ground to be picked up'
         fail: '§7§o*Poof* The spawner breaks into many pieces and is lost'
 
     PLAYER:
+      allowed-items:
+        - 'diamond_pickaxe'
       silktouch: true
       msg:
         success: ''
         fail: '§7§o*Poof* The spawner breaks into many pieces and is lost'
 
     ADMIN:
+      allowed-items:
+        - 'diamond_pickaxe'
       silktouch: true
       msg:
         success: '§7§oThe spawner breaks with a loud *Pop* and falls to the ground to be picked up'
diff --git a/eu/railduction/ruakij/spawnerDrops/listener/OnBlockBreak.java b/eu/railduction/ruakij/spawnerDrops/listener/OnBlockBreak.java
index ea62d17..2bc5ccc 100644
--- a/eu/railduction/ruakij/spawnerDrops/listener/OnBlockBreak.java
+++ b/eu/railduction/ruakij/spawnerDrops/listener/OnBlockBreak.java
@@ -17,6 +17,7 @@ import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BlockStateMeta;
 
 import java.io.IOException;
+import java.util.List;
 
 public class OnBlockBreak implements Listener {
 
@@ -45,14 +46,29 @@ public class OnBlockBreak implements Listener {
 
                 // # Break-Prerequisite
                 ConfigurationSection breakPreConfig = Main.config.getConfigurationSection("break.break-prerequisite."+ bSource);
-                boolean success = false;
+                boolean success = true;
+                // Allowed-items
+                List<String> allowed_items = (List<String>) breakPreConfig.getList("allowed-items");
+                if(allowed_items != null){
+                    boolean found = false;
+                    for(String allowed_item : allowed_items){
+                        if(p.getItemInHand().getType().name().equalsIgnoreCase(allowed_item)){
+                            found = true;
+                            break;
+                        }
+                    }
+                    if(!found) success = false;
+                }
+
                 // Silktouch
-                if(breakPreConfig.getBoolean("silktouch")){
-                    if(p.getItemInHand().containsEnchantment(Enchantment.SILK_TOUCH))
-                        success = true;
-                    else
-                        e.setCancelled(true);
+                if(success && breakPreConfig.getBoolean("silktouch")){
+                    if(!p.getItemInHand().containsEnchantment(Enchantment.SILK_TOUCH)){
+                        success = false;
+                    }
                 }
+
+                if(!success) e.setCancelled(true);
+
                 // Send msg
                 String msg = breakPreConfig.getString("msg."+ (success?"success":"fail"));
                 if(msg != null && !msg.equals("")) p.sendMessage(msg);
@@ -78,15 +94,30 @@ public class OnBlockBreak implements Listener {
 
                 // # Drop-Prerequisite
                 ConfigurationSection dropPreConfig = Main.config.getConfigurationSection("break.drop-prerequisite."+ bSource);
-                boolean success = false;
+                boolean success = true;
+                // Allowed-items
+                List<String> allowed_items = (List<String>) dropPreConfig.getList("allowed-items");
+                if(allowed_items != null){
+                    boolean found = false;
+                    for(String allowed_item : allowed_items){
+                        if(p.getItemInHand().getType().name().equalsIgnoreCase(allowed_item)){
+                            found = true;
+                            break;
+                        }
+                    }
+                    if(!found) success = false;
+                }
+
                 // Silktouch
-                if(dropPreConfig.getBoolean("silktouch")){
-                    if(p.getItemInHand().containsEnchantment(Enchantment.SILK_TOUCH))
-                        success = true;
-                    else
+                if(success && dropPreConfig.getBoolean("silktouch")){
+                    if(!p.getItemInHand().containsEnchantment(Enchantment.SILK_TOUCH)){
                         e.setCancelled(true);
+                        success = false;
+                    }
                 }
 
+                if(!success) e.setCancelled(true);
+
                 // Set drop
                 if(success){
                     ConfigurationSection dropConfig = Main.config.getConfigurationSection("break.drop");