The smoke stack height is about 14 inches, fit the Traeger, Pit Boss, Camp Chef and many others 3 1/2" Diameter Opening, 4 1/2" Mounting Bolt Distance, 15 Gauge Black Powder Coated Steel with Umbrella The smoke stack consists of heavy duty steel parts to prevent rust and corrosion, and heat resistant gasket to strengthen heat insulation effect The screw of the chinmney cap is adjustable to control the amount of smoke eacaped from the smoke stack Includes Felt Heat Resistant Gasket, Please double check your mounting bolt distance to be sure Grill Smoke Stack Replacment for Pit Boss, Traeger, Camp Chef