This universal sink clip kit features a U-shaped groove design, compatible with various countertop materials such as stainless steel and granite. It is suitable for undermount sink installation in kitchens and bathrooms, and works with common brand sinks.The kit includes 14 wall-mounted sink brackets, only 12 are needed for stable clamping during actual installation, so you don't have to worry about insufficient accessories. The mounting screws are 2.25 inches long, supporting countertops up to 1.5 in. thick. They allow precise adjustment of the sink position, ensuring safety and stability after installation.Made of stainless steel, the clips offer durability and corrosion resistance. They effectively reinforce undermount sinks, preventing sagging or displacement during use. For installation, screw each clip in place, slide the clips into the mounting rails under the countertop, distribute them evenly along the sink, and secure the sink to the countertop. Note: Avoid over-tightening the screws.