The ART-MB3 magnetostrictive built-in scaler was designed for those that wish to install a scaler to a dental fixture. The ART-MB3 features a 2”x3” LCD screen. Included Parts and Accessories: PC Board 2”x3” LCD VR Switch set Terminal Block Magnet hand piece with attached cable TM0004-292 or TM0004-362: Universal internal water flow insert in 25KHz or 30KHz TM0006-162 or TM0007-062: Universal external water flow insert in 25KHz or 30KHz