Prusa i3 MK2 Z Axis Bearing

It stops the lead screw from wobbling. Also looks cool. Fits mk2 and mk2.5, not sure about mk3.

Print two of these. One mirrored along the Y. Uses two 8x16x5 688 bearings. I used https://www.amazon.com/gp/product/B071J4L1D5/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1.