Dental high&low-speed handpieces in our company have two series-- J and M series for your choice. Other accessories are exactly the same except the bearings. Under normal use dental handpiece enjoy three- months free warranty, please rest assured of purchase.

Model	J-SU	M-SU
Cartridge	Cartridge A grade??K Barden bearing??/p>	CartridgeB grade(Japanese bearing)
description	Standard high-speed turbine handpiece with push-button
Supply air pressure	177-216KPa (1.8-2.2kgf/C??
Rotation speed	380-430krpm
Weight	0.17kg
Head height	14.6mm
Head diameter	Φ10.0mm/11.2mm
Chuck type	Push-button
Bur applicable	Standard bur
Accessories	head cap wrench
Characters	1.       Be ease to load and unload the bur with push-button 2.       Be ease and quick to change the cartridge