... 3, all kinds of handpieces 4, cartridge with folder Dental High Speed Handpiece Big Head Push Button1, have Storage2, CE certification3, all ... , cartridge with folderModel: N-TU2 Big head push-button type high-speed handpiece1. Powerful drive. Durable, long operating life 2.Easy changing ... contact us for the address of returning your purchase. Dental High Speed Handpiece Big Head Push Button