12-Piece Glass Hole Saw Set.

Designed for cutting clean and accurate holes in glass, ceramic, porcelain, and other hard materials. Here are some key features: Sizes: The set includes various sizes, typically ranging from 4mm to 35mm, to accommodate different project needs. Diamond Coating: The saw blades are coated with diamond dust for superior cutting performance and durability. Versatility: Suitable for use on glass, tiles, marble, granite, ceramic, and even glass bottles and jars. Design: The hole saws are designed to cut only the perimeter of the hole, leaving the core material intact. Cooling: Some sets have features to allow water to cool the blade during drilling.