Ruby Stone Abrasive #13 Ruby Stone Abrasive #13 is engineered for precise finishing work on semi-precious metals. Our stones combine durable aluminum oxide with ruby points to deliver fast, fine results on delicate surfaces. Each piece uses a 3/32" shank to fit all standard handpieces, ensuring easy integration into your existing workflow. Ideal for finishing work where a smooth, polished edge is essential, Ruby Stone Abrasive #13 helps you achieve consistency across batches. The ruby points provide quick, controlled finishing, while the aluminum oxide base offers reliable durability. 3/32" shank fits standard handpieces Ideal for finishing work on semi-precious metals Ruby points enable quick, fine finishing Aluminum oxide base for durable, consistent results Whether you're refining jewelry settings or polishing delicate components, these abrasives are designed to streamline your process without sacrificing precision. Ready to upgrade your finishing results? Add Ruby Stone Abrasive #13 to your cart today.