10pcs Carbon Steel Self Locking Hex Nut Nylon Insert Lock Nut M2/M2.5/M3/M4/M5/M6/M8 jetech 1 4 inch 1 4 inch drive long deep impact socket with magnetic 4mm 4 5mm 5mm 5 5mm 6mm 7mm 8mm 9mm 10mm 11mm 12mm to 14mm