Trimpro Rotor: GrateRotor: Grate Trimpro Rotor Item #: TPRTR Only grate available for the Rotor unit Slot size: 1 4". Made of steel. Covered with non stick paint. The NEW Trimpro Rotor has been designed and developed at the request of customers who are looking for, yet another, gentle and efficient Trimpro quality product. Employing leather fingers to circulate your flowers over the non stick grate, the leaves are trimmed by the razor sharp tempered steel blades. Built