Brush Research GB31212 FLEX-HONE®, 3-1/2" (89mm) Diameter, 120 Grit, Silicon Carbide, For Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials

The FLEX-HONE® is an outstanding tool for deburring and surface finishing! The 240-grit silicon carbide abrasive works perfectly on mild steel, stainless steel, and cast iron. It delivers a smooth, uniform finish with minimal effort. Durable and easy to use—highly recommended for automotive and machining applications. Great value for the quality.

The FLEX-HONE® is a game-changer for surface finishing! The 240-grit silicon carbide abrasive works flawlessly on mild steel, stainless steel, and cast iron. It delivers a smooth, uniform finish while removing burrs effortlessly. Durable and easy to use—highly recommended for professionals and DIYers. Consistent performance and great value. Five stars

This FLEX-HONE® GB41824 tool performs very well, truly achieving efficient and uniform deburring and polishing. The 240-grit silicon carbon sand material combined with the flexible brush wire can easily process the inner walls of various metals such as cast iron, stainless steel, and low carbon steel, improving the surface finish and contact performance.

The Brush Research GB41824 FLEX-HONE® is excellent for smoothing and deburring! The 4-1/8" (105mm) diameter and 240-grit silicon carbide abrasive work perfectly on mild steel, stainless steel, cast iron, and softer ferrous materials. Delivers a consistent finish, enhances performance, and lasts long. Highly recommended for professional and DIY use—great value for money! 5/5 stars!

The Brush Research FLEX-HONE® works great for deglazing and polishing cylinders. The 240 grit silicon carbide delivers a clean, smooth finish on mild steel and cast iron. Durable, easy to use, and delivers professional results every time!The Brush Research FLEX-HONE® works great for deglazing and polishing cylinders. The 240 grit silicon carbide delivers a clean, smooth finish on mild steel and cast iron. Durable, easy to use, and delivers professional results every time!

The 240 grit silicon carbide bristles work really well on stainless steel and mild steel, giving it a smooth finish. It’s easy to use and cleans up my parts without damage.

The Brush Research GB41824 FLEX-HONE® is an outstanding tool for honing mild steel, stainless steel, and cast iron. The 240-grit silicon carbide abrasive delivers a smooth, consistent finish. Its 4-1/8" diameter is perfect for my applications, and the flexible design ensures even material removal. Highly durable and efficient—exceeds expectations! A must-have for precision work.

Silicon Carbide abrasives offer exceptional grinding efficiency, unmatched durability, and precise cutting performance. Ideal for diverse materials and high-temperature applications, they deliver lasting value and professional-grade results