<p>MATERIAL: The spiral drill bit is made of high carbon steel, which is sturdy, anti-rust and durable, with a glossy black painted finish, for long term use. Size: 80mm diameter x 300mm length.</li><li>EFFICIENT: This auger bit saves you time and effort, it makes the job of planting easier. A very good helper helps you plant the trees or flowers faster.</li><li>USE: Just drill as far as the auger will go and lift it out of the hole, nothing more than simple. Drill required, not included. Works with any 3/8 or larger chuck drill, 18V or larger drill recommended.</li><li>APPLICATION: This professional post hole digger is intended for increasing plant planting efficiency vegetables, flowers, flower onions, root trees, or even for garden work, fertilizer, paint or mortar mixed. Dig without any efforts.</li><li>SERVICE: If you have any problems about this product, please contact us and we will do our best to solve all your problems.</li></ul> Specification:<p > Size: 8x25cm，8x30cm<p>Type: auger<p>Material: stainless steel