2 Pcs Bolts and Nuts Trapezoidal 3D Printer Accessories Copper Lead Screw
4 pcs 3D Printer Parts Nut Copper Trapezoidal Screw Nut for Screw. 6 pcs 3D Printer Parts Nut Copper Trapezoidal Screw Nut for Screw. This item is a set of lead screw nut kit, which is made of material for practicable and durable use.