MiniTrencher SBGR-5215E 20" SiBore 215 and GeoRipper Combo Pack - Now with the Makita 40V MAX XGT battery-powered motor, you can have an electric battery GeoRipper® and SiBore™ Drill Micro Bore with one powerhead. The SiBore drill uses a waterless-boring method so there's no mud to deal with and little clean up. It bores 1″ x 24′ holes in less than five minutes. The electric battery GeoRipper digs up to 20" deep and around 2" wide depending on the model. Through a quick conversion, you have the best of both worlds for the most efficient production with only one motor!