... , cartridge with folder Dental High Speed Handpiece Big Head Push Button1, have Storage2, CE certification3, all ... of handpieces4, cartridge with folderModel: N-TU2 Big head push-button type high-speed handpiece1. Powerful drive. ... mmnoise≤70 dBrotation speed300000-350000 rpmdescriptionbig head,push-button type,three water spray,cartridge with ... . Dental High Speed Handpiece Big Head Push Button