Solid MaterialThe garden auger bits are made of high quality manganese steel, and the shank is made of A3 steel, which is durable and not easy to deform. Finished with a glossy black lacquer finish that protects the garden drill well from rust High EfficiencyThe spiral design ensures efficient digging and trouble-free soil dumping. Use the bit at a low (slow) speed and drill into suitable soil or landscape, the auger easily digs a hole in seconds and performs well even in somewhat hard ground. Remark : Not suitable for large or hard rock SizeThis set contains two auger bits 80 x 180 mm, 40 * 220 mm. It helps you grow many different size plants and is great for creating a nice little garden Wide ApplicationThese auger bits are ideal for professional gardeners, ideal for growing bulbs, potted plants, vegetables, flowers, bare root trees and shrubs, cultivated fields and mixed seeds. Always keep the drill clean after use for best use every time Packing List: 2 garden auger bits. We only sell garden drill bits, not other items in the picture. Due to factors such as manual measurement and display differences, there may be slight differences between individual products and images.