Well-designed tread pattern with square-edged knobs alternating between rows of straight knobs and inverted V's Capable of handling a wide variety of conditions from hard-pack to loose sand Aggressive pattern for great hook-up Semi-soft compound construction Not certified for use on public roads (NHS) Non-directional tread pattern Tubeless (TL) 6 ply rating. TIRE RATTLER MSE 21X7-10