【MRU】3D Printer T8x2 lead screw 100-500mm trapezoidal acme rod +anti-backlash nutSpecification: 1) Lead Screw: Material: 304 Stainless Steel Diameter: 8mm Pitch: 2mm Optional Length: 100mm,200mm, 300mm, 400mm, 500mm 2) Screw Nut: Material: Brass Big nut diameter: 30mm Thickness: 5mm Small nut diameter: 16mm There are 4pcs 3.4mm screw hole Package included: 1 x 8mm Lead Screw 1 x T8 Anti-Backlash Nut kit Note: Due to light and screen difference, the item's color may be slightly different from the pictures. Please allow 1-10mm deviation due to manual measurement.