GKTOOLS GT2 20 Teeth Tooth Idler Timing Pulley Bore 3/4/5/6/6.35/8mm for 6mm/10mm timing Belt Used In Linear 3D Printer PartsHome Improvement > Hardware0,34 USD (≈ 0,28 CHF)0,52 USDDisponibileSold by AliExpress WWVai al negozio