Specification: Material: Carbon Steel, Color: Black. Size: approximately 4x22cm, 4x45cm, 4.6x37cm, 5x22cm, 5x45cm, 8x25cm, 8x30cm, 8x35cm. Suitable for digging deep holes in the yard, suitable for excavating weeds from the roots. Suitable for garden planting and loosening pits. Suitable for planting tulips, bedding plants, and seedlings. Easy to use and durable. Use in any electric or cordless drill that can accommodate a 3/8 bit. No better tool for digging deep holes in your dirt or even under sidewalks. Packaged included: 1 x Spiral Hole Drill Bit (excluding other decorations) (Not Including Drill Machine).