GoClips 5-Second Anchors for Undermount Sinks(Pack of 25) Slot-Based Anchors that are Quick and Easy to Install-NO Drilling Sink Rims Up To 3/4" Create 1/2" Deep Slots with 4"-6" Diamond Turbo Blade and Angle Grinder No Special Tools or Additional Parts Required Used by Professionals-Easy Enough for non-Professionals