3-in-1 function with dual-position wheels for grass trimming, edging and mowing * Converts from a trimmer to an in-line edger in seconds with no tools * 32-volt cordless max lithium power battery means high power and longer runtime * 12-inch cutting diameter with automatic 100% single line feed (no bump) * Quick-release lever for fast telescopic height adjustments to the 90-degree tilting shaft