ITEM NAME:10Pcs ZQMX 3N11-1E (SP300)YBC251 GTN-3 Cut-Off Grooving Partting Insert 3mm NEW.10 Cut-Off Grooving Parting Insert. Quantity: 1 box (10pcs). Width: 3mm. High cutting efficiency, long service life, suitable for steel semi-finishing. Developed by our professional team, precision CNC parts, cutting slotted blades.