1" Diamond Coated Hole Saws Glass Drill Bit Set 5 Pcs

• This is a new set of 5 diamond coated hole saws
• These are great for filing glass, ceramics, tile, brick, plastics, wood, fiberglass, stone, rock carbide, gold, platinum, silver, metals or anything else that is hard
• Longevity is assured as the diamond particles are electroplated onto the surface of the metal
• Recommended for jewelers, lapidary, hobbies, crafts, modeling, home repair, etc
• Each hole saw measures approximately 1" (25.5 mm) in diameter with a 1/4" (6.5 mm) shank