SSP sit on the front stage when it comes to flat burr design. Allowing you to access a higher level of grind quality with your current electric grinder, without the full price of upgrading your entire grinder. The Cast burrs inspired by the ditting lab sweet burrs generate a grind distribution that produce a sweeter and more rounded filter and espresso than the corresponding High Uniformity and Multipurpose burrs of SSP. Think of the Lab Sweet Cast burrs as sitting in a good balance between the Multipurpose burrs, and the High Uniformity burrs. Giving you that well-rounded experience. LSV3 - Red Speed (Espresso-leaning) V3 Cast burrs with Red Speed coating generate a controlled number of fines, owing to the slightly higher coefficient of friction on the red speed coating meaning these Cast burrs produce espresso shots that have the body you want, with good clarity. What grinder does this burr set fit? Turin / DF83 Turin / DF83v Niche Duo Mazzer Major Mazzer Royal It goes without saying that replacing the burr set in your grinder is done so at your own risk, take time and care - follow manufacturer advice for the disassembly of your grinder.