Descriptions:

1. Adjustable drill guide is a great way to get started building with glass drill bit.You can't imagine how easy it's to open perfect holes with the kit.
2. The drill guide is made from heavy-duty ABS plastic, this material offers the resiliency and flexibility you need without sacrificing the strength and durability you expect.
3. Vacuum Base Sucker -- Suction cup base has good strength to hold the centering jig tight and well on smooth surface.
4. Good performance and long life.
5. Application: Drill Glass, Tile Bottles, Blocks Jars, Fiberglass Porcelain Tile Ceramic, Slate Mable, Granite Light Stone.
 
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