Durable Material - Made of heavy-duty manganese steel which is much sturdier than normal steel
Unique Blade Design - The unique inclination angle of the garden auger spiral drill bit blade makes it easier to drill many different types of soil, and it can also more effectively transport the soil up and out of the hole
Universal Hex Shaft Size - Will work perfectly with any 3/8" or larger chucked drill
Meet Your Needs - The set contains two sizes of auger drill bits - 1.6" X 9" (4x22CM) and 3" X 12" (8x30CM). They are separately able to quickly dig a hole of 1.6" wide/9" deep and 3” wide/12” deep
