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-S	M-S
Cartridge	Cartridge B grade(Janpanese bearing)	Cartridge C grade (USA bearing)
Description	Dental standard high-speed turbine handpiece
Supply air pressure	177-216KPa (1.8-2.2kgf/C??
Rotation speed	380-430krpm
Weight	0.17kg
Head height	13.2mm
Head diameter	Φ10.0mm/11.2mm
Chuck type	Screw type
Bur applicable	Standard bur
Accessories	Bur key, head cap wrench
Characters	1.       Be ease and quick to change the cartridge 2.       Cartridge is similar to NSK pana2000