Instruction: Extract information from the supporting document to answer the given question.

Input:
Question: The model number of my Artisan mixer is KSM155GBSR.  This will not fit mine?
Document: I purchased this from Amazon.com to fit my Classic tilt head Kitchen Aid mixer. It did not fit. The description said for all Kitchen Aid tilt head mixers. It also said for Classic on the packaging which is the model I have. Even after adjusting the screw that raises and lowers the beater. We also tried it on our neighbor's mixer. The same result. I'm returning two blades. Amazon sent me two. I only ordered one. They charged me for both with two separate orders!
My wife loves this. It does the job, and seems sturdy. One thing you should know is that your mixer height will probably need to be adjusted to eliminate "rattle" when you turn it on. The instructions on how to do this were included on the package. It is a little adjustment screw (on our model) at the neck of the mixer.
I really like this beater. It fit my mixer perfectly. It cleans the sides of the bowl really good. It's nice to not have to raise the head and use a scraper to mix the ingredients.
the fit was incredibly tight, it barely went on and once it was on i had to yank on it to the point i fear i may have damaged our mixer. not sure if this is only an issue with the 5 qt mixers or not. i would be happy to leave 5 stars if we were shipped one that actually fits.
Wasn't sure how this was going to hold up being that it is constructed out of plastic. But the plastic is very sturdy. I've used this for cookie dough and bread dough with very good results and no problem with its design.If fit my Kitchen Aid Tilt-Head mixer perfectly. I've attached, detached and re-attached several times now and never had a issue with it being too tight or too lose.Does a good job of wiping the sides during mixing.
I have a 5qt KitchenAid mixer and this went on easily, was already the perfect fit, and reaches the bottom like it should. I am loving that now I can make rocky road brownies, chocolate chips cookies and pumpkin pecan muffins easily! I still have to scrape and remix the contents, but usually only once or twice compared to the 5 or 6 times with the KitchenAid brand scraper.
The mixer blade is a good idea but very annoying to use. The blades don't crush the nuts or chocolate chips as promised but are very difficult to wipe clean when you are done mixing and want all the good stuff that is on the mixer blade back in the bowl. lots of spatula work required. I returned mine and ordered the smooth edge silicon blade and love it!
Works wonderfully when to prevent build up on sides of mixing bowl. Love mine!
Somewhat difficult to clean by hand. Didn't fit my bowl very well. Need a smaller bowl.but worked ok in the bowl I had
Cookie makers will really like this item. It mixes nuts, chips, raisons etc. into the dough easily.It fit into my new glass mixing bowl with no adjustments.
Answer: Not sure, whatever you purchase probably needs minor Adjustment with the screw under the tilt head to make it scrape the bowl properly. (directions included). Mine is Artisan KSM150PS0B 5 qt tilt head and works great. The neck or shaft is 1.25 inches long and yours must be very close I would say within 1/4 inch to work. I have 3 Addt'l similar attachments that are 1.25 to 1.50 inches long at shaft & work.  Unfortunately I have purchased 1 other similar in the past that were supposed to fit my model & does not, It is a Scrape-A-Bowl by Pourfect (red in color)