Strong double Suction Cup Alignment: Features two powerful suction cups that firmly attach to areas like tiles, marble, and glass, drill bit slippage for accurate hole placement Easy Setup & Adjustable Guide: Prepare the area and expel air from suction cups for secure mounting; the guide supports 6–50mm bits, ensuring effortless action for all levels Complete 15 Piece Collection: Includes abrasive hole tools ( 6–50mm), suction cup guide, maintenance accessories, and instructions, ideal for home upgrades, kitchen / bathroom remodeling, and countertop installations Flexible Drilling Methods: Works well with standard drills for dry applications on ceramics, glass, and tiles; water cooling assists in heat control for prolonged use Sturdy Steel Construction: Built from robust steel with electroplated abrasive particles for consistent cutting, minimizing chipping and cracks while improving tool lifespans, Manufacturer: Obotsnoi