Bulldog xtreme, 3/4" x 10", viper, flat chisel, sds plus, ideal for demolition work, breakthroughs, adjustment work, restoring joints & clearing reinforcements, provides unique cutting head with power ribs & viper teeth with extra wedges for faster breakout creates lateral cracks & additional vertical cracks for a no jam design & increased breakout, self-sharpening tool, provides longer life & eliminates the hassle of sharpening the chisel, faster chipping, manufactured to increase material removal by up to 15%, works with rotary hammers that accept sds plus bits.