T2.5 pulley, pitch 2.5mm, 16 tooth, 5mm bore Aluminum, two flanges, 5mm bore, 16 teeth or 16 grooves T2.5 pulley, use with 6mm width T2.5 belt only. Order over 100pcs, please contact for a quote. An option of replacement for the T5 pulley in your 3d printer. 20 tooth T2.5 pulley 5mm or 6.35mm bore a...