6200-009 Yetter Cast Twister (Pair)The 6200 Twister Cast Closing Wheel has all the features of the poly twister model in a cast wheel design. Features: Features twisted cast spikes and rounded center Closes the disc opening in both wet and ideal conditions Ring design maintains wheel depth Enhances seed to soil contact and helps prevent yield robbing air pockets Eliminates sidewall compaction 16 teeth per wheel SPECS Standard wheel has 1 3 8" spikes Rounded ring diameter: 11 1 2"