A King Kong barrel hinge that is 7" high is built for those heavy duty jobs where no other hinge will do. This hinge can support up to 3000 lbs. The barrel is 2-1/2" in diameter. There is a 1-1/4" stainless steel pin and ball bearing and there's a 3-3/4" space between post and gate when installed. 2-3/4"x2".