3D Printer Accessories 5*22*7/5*23*7mm(625zz) 8*30*8.5(608zz)mm Micro Nylon Wheel POM Coated Pulleys Mini Plastic BearingHome Improvement > Hardware7,94 USD (≈ 7,11 €)9,20 USDDisponibileSold by AliExpress WWVai al negozio