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Premium - Orange
- MK Orange - Premium grade for Concrete and asphalt. Designed for wet drilling applications that include light to moderate steel reinforcement. Provides coring depth up to 14-1/2".
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Standard - Yellow
- MK Yellow - Standard grade for Concrete and asphalt. Excellent choice for all types of general wet drilling. Provides coring depth up to 14-1/2".
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Supreme - Black
- MK Black - Supreme grade for Concrete and asphalt. Designed for wet drilling applications that include moderate to high steel reinforcement. Provides coring depth up to 14-1/2".