Z Axis T8 POM Anti Backlash Nut Compatible with Prusa I3 MK3 MK3S MK2 MK2S 3D Printer Trapezoid Motor Screw 8mm Lead Acme Threaded Rod Elimination Gap Nuts Spring Loaded

these nuts are compatible with Prusa i3 MK3 MK2 MK2S MK3S 3D Printer POM material is durable and silent.Lead Screw Diameter: 8mm, Pitch: 2mm, Lead of thread: 8mm Package: 1sets POM nut with 2pcs m3 screws and 2pcs m3 nuts like the first photo shows Outer diameter is 25mm, installation hole central distance is 19mm PLEASE NOTE: This kit is designed specially compatible with prusa i3 MK2 MK2S MK2.5 MK2.5S MK3 And MK3S which uses OD25mm lead screw nuts. If you wanna use normal size anti backlash nut for your other printers, please search ASIN " B07XYQ4KJ9 "