SSP | 71mm Flat BurrsDescription Details Other Info Superior Speed & Precision Improve your grind speed and extraction quality with SSP's 71mm Flat Burrs. Precision engineered and CNC milled from tool steel, SSP burrs are designed to provide optimal particle size distribution to help unlock even greater potential in your brews. Finished with your choice of Red Speed or Silver Knight coating to minimise heat transfer and extend lifespan. Features Red Speed (TiAlCN;