Norton Gemini Bench and Pedestal Grinding Wheel, Type 01, Round Hole, Aluminum Oxide, Medimum Grit, 1" Thickness x 6" Diameter Winter_Items crumble or fall out as

crumble or fall out as the joint expands and contracts over time

Patented 1 piece design speeds installation verse separate drain & valve boxes

Not for use over bare concrete

but presentation matters

Norton Gemini Bench and Pedestal Grinding Wheel, Type 01, Round Hole, Aluminum Oxide, Medimum Grit, 1" Thickness x 6" Diameter Winter_Items crumble or fall out as"NORTON " GRINDING WHEEL Straight Aluminum oxide Metal 1" Round arbor Med grit Dia. 6" Max. RPM=4,140 For use on all bench and pedestal mounted grinders 1" blade thickness Type 1 wheel is designed for offhand deburring, sharpening, shaping and limited stock removal on all metal applications Carded