Ruby Stone Abrasive #4 Introducing Ruby Stone Abrasive #4, the ideal finishing tool for precise work. These aluminum oxide stones feature 3/32" shanks to fit all standard handpieces, and their ruby points are designed for quick fine finishing of semi-precious metals. Built for durability and consistent results, this abrasive is perfect for finishing work on delicate metals, jewelry components, and crafts projects. Material: aluminum oxide with ruby points for fast, fine finishing Shank size: 3/32" fits most standard handpieces Best for: semi-precious metals and fine detailing Usage: gentle abrasion for a smooth, mirror-like finish Enhance your workflow with reliable, precise results. The Ruby Stone Abrasive #4 delivers a smooth, even finish on semi-precious metals and jewelry components, helping you meet tight timelines and high-quality standards. Ideal for hobbyists and professionals alike, it combines controlled abrasion with minimal chatter for a professional-grade polish. Add Ruby Stone Abrasive #4 to your toolkit today and elevate your finishing work to a professional level.