This is a great upgrade or a replacement to stock brass lead screw nut to suit multiple printers and models, quieter down your existing lead screw compare to brass nuts. This listing have multi pitch and style for different set-up, please double check work drawing and dimension(second photo's) to ensure nut have enough clearance. Sold Individually Features: lower noise compare to brass self lubricating can be used with or without anti backlash nut Compatibility Please ensure you have selected correct model and lead and pitch especially for the rounded/square version. Also please ensure clearance on the nut, you can refer to the second photo in variant selector to see work drawing of those lead screws nuts. Also ensure the spacing of mounting holes is compatible with existing design, printed aftermarket mods or printer specific. TR8X4 Ender 5 Plus ** TR8X4 Trident 1.8 Please double check your spacing on square nut, as this is narrow 16mm spacing, its may not suit your printer, you can check anti backlash listing for 18mm spacing. https://store.dremc.com.au/products/dremc-pom-lead-screw-nuts-with-anti-backlash-nut **Ender 5 Series would depend on your batch, as the older printer may required TR8X8, please verify your lead pitch. Documentation on selecting correct pitch: https://support.dremc.com.au/en/support/solutions/articles/51000346718-lead-screws-steps-mm-s-klipper
