Meat lug(s) makes things easier too. something like this(do some searching you can probably find the cheaper.
https://www.waltonsinc.com/gray-poly-pan
Waltons is a great site where you can purchase everything you need or look at a lot and search for a better price.
Another good place to peruse is:
http://www.lemproducts.com/
And one more:
https://www.meatprocessingproducts.com/stbybr.html
Lots of other places for supplies, I have bought from all three never a bad experience.
ETA: I have a Weston #22 grinder and just the knife and plates it came with. Weston 11lb stuffer. Grinder was originally bought several years ago for processing deer and doing ground beef(I just got into sausage making not long ago--didn't like using the grinder for stuffing, though it is more than capable). Grinder has plenty of HP and gets through meat quickly. Stuffer is all steel gears 2spd, Canister/stuffing horns are stainless steel, frame/base all metal. 11lb will hold a 10lb batch so no reloads(well unless you have more than 10lbs to do). I usually do 5-10lb batches.
What I use every stuffed sausage making session -- Grinder, stuffer, meat
lug(s), butcher twine, sausage prick, food safe silicon spray.
Another item to consider if you don't have one is Vacuum Sealer, I also end up using it at some point after making sausage. Bulk sausage I vac seal right away. Stuffed sausage:
FRESH - after a night in the fridge to dry and firm up some vac seal the next day // Smoked - spend a night in the fridge after smoking and blooming get vac sealed the next day.