Application:3D PrintersCNC EngraversHot ire MachinesLaser Engraving MachineCamera SlidersPlasma CuttersRoboticsFurnitureWoodworking DIYAnd much moreDiameter: 25mm 30mmModel:LMFP25LUU LMHP25LUU LMKP25LUU LMFP30LUU LMHP30LUU LMKP30LUUPackage Included:1pcsNote :This product helps customization, if there is no length you need, please contact me, I can customize any length you want for you