Spiral Screw Holes In The 掘 Charger. 25.4 Φ pipe, perfect for little and big holes go ahead. This item is the "type" Spiral holes hori machine. Right turn the hori and pull out, and keep soil "Spiral" and leave no accumulation, while the hole in the soil. This Repeat and clean this deep holes. = 規 rated Total Length = 830 Weight: 890g spiral 30 Φ