The telescoping drill clamp fits drills and impact drivers large and small-including newer lithium-ion models. The recent redesign allows the tool to rotate 360-degrees and lock into position. The adjustment wrench now stores with the tool, preventing loss. The hex shank drive shaft attaches directly into the chuck of any drill or impact driver. Fast cutting blades are specialized for fiber cement siding only. The blades design minimizes dust. Wide skid plate design stabilizes for a precise clean cut (including window and door arches) in fiber cement siding up to 5/16” (8mm). Replacement blade TSF1RB.