Adjustable Size: Platform Width: 10″-12 1/2″, Height: 3″-10″, Top Hook: 1/2″-1 1/4″, Hook is more suitable for reptile tank, easy to install lids.Fits 10 gallon 20 gallon 55 gallon and 33 or 40 gallon long fish tank.

Hanging Turtle Basking Platform for Aquatic Turtles 20 55 Gallon, 40 Gallon Long Tank, Aquatic Reptile Ramp Dock, Turtle Terrace, Turtle Tank Accessories. Adjustable Size: Platform Width: 10″-12 1/2″, Height: 3″-10″, Top Hook: 1/2″-1 1/4″, Hook is more suitable for reptile tank, easy to install lids.Fits 10 gallon 20 gallon 55 gallon and 33 or 40 gallon long fish tank.