[Material Durability]: Constructed from robust stainless steel and rubber, this Glass Ceramic Hole Drill Guide is built to withstand rigorous use across various drilling applications. Its durable materials ensure a long-lasting performance for both professional and DIY projects. [Secure Suction Base]: Featuring a substantial 4.53-inch diameter suction base, this Tile Core Bit Guide remains securely anchored to any smooth surface. Whether drilling on vertical walls or horizontal floors, the strong suction ensures stability and precision throughout the operation. [Adjustable Drill Guide]: Our versatile drill guide adjusts to accommodate drill sizes ranging from 6 mm to 83 mm (0.24 inch to 3.27 inch). This adaptability makes it perfect for a wide array of drilling tasks on materials like glass, tiles, and marble, enhancing its utility in diverse settings. [Efficient Water Management]: The Glass Ceramic Tile Hole Opener is ingeniously designed with a water inlet slot. This feature facilitates optimal water flow during drilling, enhancing the cutting performance while simultaneously minimizing mess and improving safety. [Precision Drilling Assistance]: This Hole Drill Guide not only helps in fixing the drilling angle but also ensures strong suction and convenience. It is particularly useful for accurately determining and fixing the position before drilling on any flat, smooth surface like glass or marble. Color: Silver & Red Material: Plastic+Metal Package Contents: 1 Tile Opening