PD74 Arrow segments diamond grinding plug is a superior quality tool produced by our factory. It is specially designed to provide efficient and effective grinding results on concrete, terrazzo, and other similar surfaces. With a total of 10 arrow-shaped segments, the tool can produce up to 50% faster grinding speed than other diamond plugs available in the market. The segments are made of premium quality diamonds and feature a high hardness level, which guarantees maximum durability and longevity. The plug also features a standard M14 thread size that easily fits onto most floor grinders. Trust us, our factory is renowned for producing high-quality diamond tools, and we guarantee you won't be disappointed with this product.