The Step Over Gate is a free standing gate designed for small breeds, non jumpers and puppy litters. This gate is simple to set up and can be operational in minutes. Rubber feet protect floors and adds stability while the solid wood construction provides beauty and functionality. Gate Dimensions: Height is 20". Gate fits openings from 28" - 51 3/4". Extensions are available - each extension adds 22", you can extend the gate as far as you wish.