• H-Series is specifically developed for hard concrete, such as power-troweled surfaces. Also suitable for processing of natural stone (marble, terrazzo). 
• H16 Orange: Most aggressive grinding segment.
• H25 Gold: Efficiently grinds concrete. 
• H30 Grey: A slightly finer concrete segment that also works well for paint removal. Can be used as step 1 on very hard concrete.
• H50 Brown: A slightly finer concrete segment used to remove scores after rough grinding.
• H100 Black: gives a score-free surface after H50.