8 Pieces Pack: 3/16 Inch 3/8 Inch 1/2 Inch 3/4 Inch Diamond Brazed Router Bit 1/2-Inch Shank marble granite glass stone tile cutting edge grinding half roundover bullnose work with drill chuck

2 Pieces of B5 (3/16"), 2 Pieces of B10 (3/8"), 2 Pieces of B15 (1/2"), 2 Pieces of B20 (3/4"). 1/2" round shank. For routing stone with wood router 40/50 grit diamond, best on marble, granite and glass Bottom stopper bearing keeps the bit from over cutting into the granite. 1/2" round shank Use dry or wet

• 2 Pieces of B5 (3/16"), 2 Pieces of B10 (3/8"), 2 Pieces of B15 (1/2"), 2 Pieces of B20 (3/4"). 1/2" round shank
• For routing stone with wood routeror drill chuck (1/2 Inch diameter).
• 40/50 grit diamond, best on marble, granite and glass. Bottom stopper bearing keeps the bit from over cutting into the granite.
• we also sell 1/2" drill chuck with 5/8"-11 adapter (so the drill chuck can work with 5/8"-11 spindle grinder / polisher). Please refer to the link below: