Drill / drills / for soil-ø 100 mm. diameter, with a double blade helix. The height of the drill is 800 mm (80 cm). Making holes through drills with a double spiral blade is easier and will prevent the return of the soil in the hole already made in exit of the drill. Drill is equipped with two removable blades model, where appropriate, may be sharpening. *** SALES RETAIL AND WHOLESALE !!!