The versatile 500 Series teeth have a 1/2" x 1/2" shank allowing them to fit in standard 1/2" x 1/2" pockets. The pocket does not need to be removed to change the teeth. Simply loosen the bolts, remove existing teeth, replace them with new teeth and retorque the bolts to the manufacturer's specifications. They feature a tungsten carbide tip and are available in left, straight, and right versions. NOTE: MAY REQUIRE ADDITIONAL GRINDING TO FIT POCKETS