AZDENT Dental Ultrasonic Piezo Scaler Handpiece. HW-3H NEW/HW-3H: Fit for EMS / Woodpecker without LED. Detachable handpiece. HW-5L Plastic Head/HW-5L NEW: Fit for EMS / Woodpecker with LED. Upgraded LED lights, the light is more uniform，Provide better field of view.
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