All Handler wet model trimmers now come standard with a reversible, reinforced <00BC> thick Carbo-Dent wheel for long lasting use and improved safety, as well as a pair of rubber suction cup feet to lift the front of the trimmer for better water flow and more stable operation for safety. Handler model trimmers are available in 12 wheel up to <00BE> HP with the following options: Solenoid valve to activate water flow: Model # SV. Ortho-Angulator orthodontic calibrated table: Model # - 3214. Diamond wheel: model # - KD.