• Fits standard dental handpieces
• Fine-grit synthetic abrasive ceramic
• Flat I-stone for factory-bevel restoration
• Quantity: 1 stone per package

The Hu-Friedy #309 I-Stone Fine is a precision finishing stone developed to support delicate surface refinement during restorative and adjustment procedures. Designed with a fine abrasive structure, this I-Stone allows clinicians to smooth and finish restorations with controlled pressure, helping refine margins and surfaces without aggressive material removal.

If you are not entirely sure how to achieve subtle smoothing while preserving anatomy and surface integrity, it is the best fine dental finishing stone for delivering gentle abrasion, predictable contact, and consistent tactile feedback. The fine grit composition makes it well suited for final finishing steps on composites, ceramics, and metal restorations where surface quality and polish potential are critical. Its balanced profile supports steady rotation and controlled engagement, helping reduce vibration and improve precision during chairside adjustments.

Manufactured to Hu-Friedy standards, the stone maintains structural integrity and performance through repeated clinical use. Compatible with standard handpiece setups, it integrates smoothly into existing finishing sequences without altering technique. Focused on refinement rather than bulk reduction, it is also the best Hu-Friedy fine I-Stone option for clinicians seeking controlled finishing and dependable results with the Hu-Friedy #309 I-Stone Fine Hu-Friedy.