The adjustable drill guide features a hand tightened nut for easy size adjustments, accommodating drill bits up to 190mm in diameter, ensuring precise positioning and accurate hole drilling with minimal effort With its robust multi purpose design and materials, this adjustable drill guide enhances and productivity, making it a must have for achieving perfectly result in any task Perfect for various scenarios like home renovations, workshop projects, or construction sites, this hole sawer locator delivers consistent accuracy and in drilling applications Ideal for DIYer enthusiasts and professional craftsmen, this drill positioning tool caters to both home users and skilled tradespeople seeking efficient and drilling solution Constructed from aluminum alloy, rubber, and ABS, this tool includes a large 118mm suction cup for strong adhesion, slippage and providing stability during operations, Manufacturer: FHGSPQWM