Please Watch Out the COMPATABILITY carefully, It is not working with the machine models that not on the compatible list, NOT Compatible With older machines with non-adjustable burrs and Etzinger burrs which using 6 star lower burr. The titanium coated burrs will have an increase in durability and also heat resistance. The burrs will stay cooler on the cutting edge during grinding and as a result, this will impact the overall durability and sharpness of the cutting edge. The grinding range of the titanium coated burr VS the regular stainless steel will be improved at the top end of finer particle sizes. Designed for Sage/Breville Coffee Machines Model: BES870/875/876/860 - 5 star original grinder burr only, please make sure befor purchase Enhance the performance of the coffee machine, make better coffee. Designed for Sage/Breville Coffee Machines Model: Breville Sage Barista Express Impress Espresso Touch Coffee Machines BES870/875/876/860 - 5 star original grinder burr only, please make sure befor purchase 420 stainless steel made, food-grade material.