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Model:Low-speed Handpiece 1.1:1 Ratio
2.External Watercourse: It cools effectively the treated area and the bur
3.Pull type interface and it is compatible with NSK EX-203(NSK QD is the trademark of
NAKANISHI INC.Japan)
The rotation speed is different for different structure of handpiece interface, the length of
handpiece and its aging degree
