Planter Drill Bit 

-Makes large planting jobs much easier and faster making it suitable for professionals and home DIY projects
-Features carbon steel rod for durability and cold-rolled steel blades for maximum digging performance
-Digs holes up to 30mm/600mm deep and 80mm wide holes in all soil types while leaving dirt around the edge of dug hole for easy packing
-Use for planting bedding plants, bulbs, seedlings or fertilizing shrubs and trees to deep water aeration and even weed and root removal
-Auger bit has 8cm diameter shaft that fits most common auger powerheads (not recommended for hand drill use due to larger size)