Autolite Choke Blade Screws. Ten new screws pre-owned to attach the choke blade to the choke shaft on Autolite models 2100, 2150, 4100, 4300, 4350 carbs. Please note if you win this item and do not pay within three days for any reason you will be blocked from my store, no exceptions. I only leave feedback after you have left me feedback which tells me you have received the item and are satisfied with it. If you can not leave me 5 Star Rating please contact me so I can try and resolve the issue for you, thanks.