Đai Ốc T8 Chống Trượt Bước 8 T8 Anti Backlash Spring Loaded Nut for 8mm Threaded Rod Lead Screws Specifications:Material: BrassColor: GoldSize: 50mm*22mm*14mmLead: 2mm / 8mmPitch: 2mmFeatures:T8 Anti-backlash nut for Acme threaded rod.Aplication: 3D printer