Change block hardness levels

src/main/java/refinedstorage/block/BlockBase.java

@@ -31,7 +31,7 @@ public abstract class BlockBase extends Block {
 
         this.name = name;
 
-        setHardness(0.6F);
+        setHardness(1.9F);
         setRegistryName(RefinedStorage.ID, name);
         setCreativeTab(RefinedStorage.TAB);
     }

src/main/java/refinedstorage/block/BlockCable.java

@@ -23,6 +23,8 @@ public class BlockCable extends BlockBase {
 
     public BlockCable() {
         super("cable");
+
+        setHardness(0.6F);
     }
 
     @Override