Easy changing burs with push-button. Operating air pressure: 0.25-0.27Mpa. Sterilization by autoclave at (135) 0C. You pay us what you see on the invoice, i. Or replace item for you free of charge.Your feedback is very important for us. You will be greatly appreciated. The item "10 Pcs NEW Style Dental High Speed Handpiece Push Button Type 4Hole pana max SU" is in sale since Sunday, June 29, 2014. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Handpieces & Instruments\Dental Handpieces". The seller is "orangehong" and is located in shanghai. This item can be shipped worldwide.