45000rpm Portable Nail Drill Jewelry Polishing Machine Marathon-3 Dental Lab Micromotor Handpiece. High-Speed Performance: Features 35000/45000rpm rotating speed with 3.5-4.5N.Cm max torque for efficient polishing and drilling. Versatile Applications: Suitable for nail care, jewelry polishing, jade carving, gem stone engraving, and dental lab micromotor tasks. Customization Options: Supports OEM/ODM services including custom rotate speed, handpiece models, and logo laser engraving. Premium Build Quality: Constructed with advanced Japanese and German processing equipment ensuring high concentricity and low noise. Fast Sample Delivery: Original style samples available with 3-7 days delivery time; mass production takes 7-20 days. Flexible Payment Terms: Accepts PayPal, TT, ****** Insurance, and Western Union with clear bank fee structures. Comprehensive Warranty: Control box and pedal guaranteed for 1 year; handpiece warranty is 6 months excluding wearing parts. Professional Manufacturer: Factory with 15+ years experience, offering direct factory prices and professional technical service.