Block Breaker

The Block Breaker is used for tasks such as building automated cobblestone factories or wheat, flax, or sugar cane farms.

On recieving a redstone signal the Block Breaker will break the block in front of it and emit it out the back. It can put the harvested item into an attached tube. Note that despite of using iron pickaxe in the recipe, Block Breaker will break obsidian, and will do it much faster than your diamond pickaxe.