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. This natural wood product is eco-friendly - no dyes, stains or finishes used. Made in the USA Dimensions: Height is 20 inches; Gate fits openings from 28 inches - 51 3/4 inches Extensions are available - each extension adds 22 inches, you can extend the gate as far as you wish. Please visit our Accessories section to purchase the extensions. Bar spacing is 2 1/4 inches. The Step Over Gate is not to be used as a child safety gate.