... half chair, for ultrasonic scaler, high& low speed handpiece , contra-angle handpiece , three way syringe ,x-ray tube, intraoral ... half chair, for ultrasonic scaler, high& low speed handpiece , contra-angle handpiece , three way syringe ,x-ray tube, intraoral ... Supply Disposable dental disposable sleeves Handpiece and pen sleeves:disposable sleeves for most handpiece,jet polishers and ultrasonic ...