Refer image # 9 for knob details. Please see the photos and make your own assessment and dont hesitate to contact me if you have any questions. You will receive exactly same item what you see in the pictures. PLEASE NOTE: If you think an accessory should be with this item, and it is not pictured or not mentioned, it is NOT included.The item "CRAFTSMAN Air Compressor, 6 gallon, Pancake Oil-Free with accessory Kit" is in sale since Wednesday, June 10, 2020. This item is in the category "Home & Garden\Tools & Workshop Equipment\Air Tools & Air Compressors\Air Compressors". The seller is "arshu10" and is located in Roswell, Georgia. This item can be shipped to United States.