NEIKO 00823A Diamond Hole Saw, 5 Pc Diamond Drill Bit Set, 5/32-1/2-Inch Hollow Core, 1/4-Inch Shank

TILE DRILL BITS: Diamond drill bits cutting blade with electroplated premium grade diamond and burn resistant braze to deliver more effective performance than traditional carbide or bi-metal hole saws.
GLASS CUTTING TOOL: These masonry hole saws have a CNC machined tip to ensure clean, smooth and accurate holes cut up to 3/4” deep with no broken edges.
DURABLE: Solid one-piece alloy steel construction with heat treatment and extra thick wall for added durability and long-lasting service when drilling glass, ceramics, and many other materials.
GLASS BOTTLE CUTTER: 1/4-inch shank fits all power drills, cuts hard and abrasive materials like glass, fiberglass, tile, granite, marble, stone, and porcelain.
TILE TOOLS INCLUDES: This diamond hole saw kit bit set has 5 sizes: 5/32-inch (4mm), ¼-inch (6mm), 5/16-inch (8mm), 3/8-inch (10mm) and 1/2-inch (12mm)