It may be damaged a ball bearing or weaken durability of the handpiece. When work cutting or drilling , wear always goggles and mask . Always put the handpiece of its stand while in use . Only the skilled engineer is authorized to disassemble the spindle set and the micromotor in order to avoid any damage to them. When the handpiece is not in use, it is recommended for a test bur or a polishing point to be kept inserted into the collet chuck of the handpiece . Microfiber hand gloves is made by good quality .it is used to all time at works on grinding polishing goods .
1) Max speed : 45,000rpm
2) 2.9 Ncm, Compact size, 4 stage speed control
All spear parts are available for Marathon/Strong handpieces
1) Bearing set
2) Carbon brush
5) Cable arm