Premium Quality Drive Kit for CASTELLINI® Goldspeed EVO S1-L Restore your CASTELLINI® Goldspeed EVO S1-L contra-angle mechanical handpiece with this premium-quality drive kit. The kit features a rotor expertly assembled with German premium bearings from GRW, ensuring exceptional durability, smooth rotation, and reliable performance. Manufactured to the highest standards, it guarantees a precise fit and optimal functionality. Easy to install and designed for professional dental use, this drive kit is an essential replacement part for maintaining the efficiency and longevity of your CASTELLINI® Goldspeed EVO S1-L handpiece. *Original Part Number: FR400N103 FR400N104 Suitable for Models: CASTELLINI Goldspeed S1 CASTELLINI Goldspeed S1-L Pack includes: Head gear Intermediate shaft Warranty – 6 months! Our Guarantee: We Offer A 30-day 100% Money-Back Guarantee. Return your product for a refund or an exchange.