fCrusher Closing Wheel by Martin-Till
https://store.martintill.com/fcrusher-singleProduct Description. Lightweight (9.5 lbs) cast fCrusher Closing Wheel. Tapered tooth design allows firming on one side and crumbling on the other. Drafted tooth keeps. its entire foot print on the ground. No more wearing one side of plastic until it has to be flipped. Long life ductile cast iron will run for years and years.