NEW HORNET T8-RR POST POUNDER; HYDRAULIC JACKHAMMER STYLE DRIVER DRIVES FENCE POSTS, SIGN POSTS, MEDIAN DIVIDERS, TENT STAKES, T-POSTS AND PIPE FENCE UP TO 8", AND RAILROAD TIES WITH EASE. CHOOSE A DOMED, FLAT, OR RAILROAD TIE FLAT DRIVING TOOL. INTEGRATED POST PULLER. HORNET DRIVERS COME STANDARD WITH A FLOW CONTROL VALVE, ALLOWING THE DRIVER TO RUN IT ON SKID-STEERS AND COMPACT TRACK LOADERS WITH HYDRAULIC FLOWS UP TO 30 GPM.; GRAPPLE ALLOWS THE OPERATOR TO GRAB THE POST OFF THE GROUND, LOAD IT INTO THE MACHINE, AND DRIVE IT IN THE GROUND WITHOUT LEAVING THE VEHICLE SEAT, FOR TRUE ONE-PERSON OPERATION (NOT FOR USE WITH T-POSTS).