Monoprice Maker Select V2 X-Axis Alignment Bar

This is an X-Axis alignment bar to help in verifying your bars are level to the frame.
I have seen tutorials where you places a can on you bed, then adjusted the bars, but that assumes your bed is level. No guesswork with this.

There are 2 versions in the package.
1 is 24mm wide x 20mm deep x94mm tall and has a curved top to accept the bar
1 is 20mm wide x 20mm deep x 94mm tall and has a flat top.
Both include a cutout at the bottom to slid over the frame so you can adjust the printer without holding the bard in place.

Choose a design, print 2, and tune up that printer.