5 Fin 85mm Blade Replacement Compatible with Nutri Ninja QB3000 - Not Auto IQIMPORTANT READ BEFORE PURCHASE If your blade does NOT match exactly, DO NOT PURCHASE This is a size and fin specific replacement, not a universal Ninja blade. It ONLY fits blades matching ALL specifications below: 5 fin extractor blade Base diameter approx 85mm Fits QB3000 and Ninja Fit compact cups (approx 16oz) This will NOT fit: Auto IQ models 6 fin or 7 fin blades Wide mouth cup systems Models including BL450 BL480 BL482 BL640 BL682 Auto IQ