T8 400mm Lead Screw 8mm Thread Lead Screw with Brass Nut 2KFL08 Bearing BracketSpecification:Material: Stainless steel lead screw, brass nut, Zinc Alloy Bearing BracketScrew diameter: 8mmLength: 400mmScrew spacing: 2mmLead of thread: 8mmFit for 3D printer, engraving machine, XYZ module, slider, lifts ect.Note: Please allow 1-3mm differences due to manual measurement.Package includes:1 x 400mm lead screw1 x Brass Nut2 x Bearing Bracket