138 Drilling Bits for Drain Hole--Marble Preferred Marble Drill

Sharp and Durable! Options for Drillers (10mm) and Angle Grinders (M10/M14). Drillers A: Diameter 40/60mm, Length 72mm, Depth 36mm Drillers B: Diameter 45/65mm, Length 72mm, Depth 36mm Drillers C: Diameter 50/70mm, Length 77mm, Depth 36mm Grinders A: Diameter 40/60mm, Length 64mm, Depth 36mm Grinders B: Diameter 45/65mm, Length 64mm, Depth 36mm Grinders C: Diameter 50/70mm, Length 60mm, Depth 36mm