10pcs POPDENT NSK PANA MAX Style Dental High Speed Handpiece Push Button 4 Hole. Speed: 380,000480,000 min-1. Head Size: ø10.3 x H13.5 mm. Standard Head, Push button type, high speed handpiece, 1-way spray 4hole. 370,000-420,000 rpm. 1.59mm? 1.6mm×21mm23mm (diameter×length). Kindly Note : Any questions, pls contact me first and I’ll try best help solve it!! Pictures may not reflect the actual color of the item due to lighting. The sale of this item may be subject to. Regulation by the U. Food and Drug Administration and state and local regulatory agencies. International Buyers – Please Note. We believe that everything could be solved by communication. Our guarantee does not cover accidental damage or wear of product caused by customer. Thank you very much for your understanding! If you have any problems, we are very glad to help you. For the functional products in our shop (such as: Chargers, Data cables), which function is the same as description, but the actual color and shape may look a little different from pictures because of the technical improvement and actual stock state.