The ART-PB3 piezoelectric scaler is our only built-in piezo scaler designed for those that wish to install a scaler to a dental chair or unit. The ART-PB3 features a 2”x3” LCD screen. Included Parts and Accessories: PC Board LCD display screen VR Switch set Hand Piece Hand piece cable Metal wrench TP0102-042: BS-1 universal pointed tip (x2) TP0102-032: BS-2 flat chisel tip TP0102-022: BS-3 rounded flat tip