Description: Package IncludesSet Includes 30 pieces aquarium cover brackets, providing ample supply for your various needs.Premium MaterialAquarium glass cover clips are made from ABS material, thick and sturdy, that can withstand the weight and pressure of the aquarium water.Multiple Sizes Fish tank cover clips are available in multiple sizes to fit different thicknesses of fish tank walls. This ensures that the clip fits snugly to the fish tank and will not loosen or fall off.Easy to installFish tank lid holders are easy to install and remove, allowing you to easily lift the aquarium cover for feeding, cleaning, or other maintenance tasks.Versatile UseAquarium lid support stand clamps can also be used to support filter troughs, water pipe and more. Water pipe fixing clamps are suitable for various tanks, fish tanks, turtle tanks, grass tanks, etc. Specification: Material: ABS2cmx2cm/0.79inchx0.79inch Size Chart: Clamping Glass Wall Thickness: 0.5cm/0.20inchor0.55cm/0.22inchor0.6cm/0.24inchor0.8cm/0.31inchor1cm/0.39inchor1.2cm/0.47inchor1.5cm/0.59inch Package Includes: 30 Pieces?Fish Tank Cover Support Clamps Note: Please allow slightly errors 1-2cm differences due to manual measurement.