【More Stable】- Different from traditional suction cup drill guide, our tile hole locator adopts double suction cup, which has good strength and prevents side bending or falling to keep the template firmly. The adjustable tile drill guide has strong clamping force, so the drill does not move and keeps its operation smooth. 【Multifunctional Hole Locator】The opening length of the adjustable plates is 4-83mm, large enough to fit hole saws of all sizes, meeting your different drilling needs and changing the adapter quickly. 【High Quality】- The glass drill guide is made of engineering-grade plastic, durable, safe, not fragile, reusable, high hardness and long service life, saving you more money. 【Easy to Use】- The tile drill locator can be firmly attached to the landmarks on the smooth surface. The wheel axle is used to accompany the rotation of the drill bit without jamming, more accurate drilling, convenient for daily drilling work and greatly improve work efficiency. (Note: Only applies