Removes problematic hair clogs inside P-trap or S-trap instantly. Simply insert the tool into the pipe, turn and pull out, doesn’t get stuck inside the pipe. 26-inch Long, reach farther down most P-Trap and S-Trap. Patented single-sided barb and spear head design makes navigating drain pipes easier. Holes on drain cover must be larger than 0.3125x 0.1563″ enabling the tool to pass through. Enviromentally safe – No caustic chemicals required. This tool is recommended for drain maintenance on a weekly or monthly basis.