PREMIUM MATERIALS - The 17" Long Rod Tool Instrument is constructed of 316L medical grade stainless steel and polished to a mirror-like finish. Withstands the rigors of heavy use while remaining corrosion-free. Physical Therapy Tools - Our uniquely designed Gua Sha tools remove scar tissue and adhesions under the skin that hinder muscle movement and blood flow. Reduce recovery time and soreness while helping heal soft tissue injuries. It has a double beveled edge that completely surrounds the tool. Especially suitable for the back. Reduce Hand and Wrist Strain - Whether you're providing relief as a professional or building your own muscles, hand treatments can wreak havoc on your hands and wrists. Our skin scraping tool comfortably grips and holds the platen without pushing hard. The beveled edge allows you to use the tool in both directions without changing your hand position. Smooth Beveled Edges - Comfortable to hold and firm enough to hold pressure. Use the tool in both directions without pushing hard or changing hand position. This tool helps you perform at your best by proving a firm grip and enough weight so you don't have to suffer from using your hands and thumbs on your clients.