BIQU Extruder Pulley 36Teeth Bore 5mm Stainless Steel Drive Gear for 1.75mm & 3mm 3D Printer Filament (Pack of 5pcs)

These have worked well over the past prints! The teeth come to a more defined point so they grab the filament better and wont slip. Wont wear out like the cheap brass ones.

Better than enders part

These are exactly what I needed and they work great

The original that came with the printer is too cheap and bad. My printer stopped extruding everytime because of them. With these my problem went away. I replace them in an Ender 3 v2

I was hesitant at first because from the pictures they look like they only have a single grub screw. I took a chance because of the price. Was relieved when I found that they do have 2 grub screws. Easy to install on my Ender 3 v2 with upgraded aluminum extruder. I did have to readjust my esteps slightly, but thats 100% expected. Havent noticed any skips and seems to wear less than the brass one it came with.

No problems encountered with these gears - solved my extrusion issue.

used these to replace worn brass mk8 extruder gear. Working fine again, highly recommend

Bought these for my 3d printer and they work better than the stock ones! Holds the tubing well and tight! Happy with them.

Old brass extruder gear wore out quickly. Bought these and it has 0 wear to it. Buy if you need new extruder gears.

It seems like the stock brass gears are wearing down very quickly. These SS gears have eliminated a lot of extruder skipping. It might just be me, but I did not have to make any other adjustments to the machine other than installing the gears. One should probably recallibrate your esteps. I will probably get to it sometime soon, but at the time I was printing PPE 24/7 with 5 machines and they kept printing good quality so...