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T20 20mm Lead Screw 73.23 inch / 1860mm Length, Right and Left Hand Bi Direction Lead Screw with 2Pcs Brass Nuts (Acme Thread, Pitch of Screws: 4mm, Lead: 4mm, Single Start) Used in 3D Printer
T20 20mm Lead Screw 73.23 inch / 1860mm Length, Right and Left Hand Bi Direction Lead Screw with 2Pcs Brass Nuts (Acme Thread, Pitch of Screws: 4mm, Lead: 4mm, Single Start) Used in 3D Printer