Price for 1 Pcs. Dental Lab Marathon Handpiece 45K UNIT. Precise smaill & strong micromotor handpiece. Very High-powered and quality 0-45,000rpm. Burrs size :2.35mm. 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. Thanks for your understanding.