194Pcs Spring Lock Washer Assortment Kit, M3 M4 M5 M6 M8 M10 M12 M14 M16 Metr…
Fastener Size: M3 M4 M5 M6 M8 M10 M12 M14 M16. Thread Size: M3, M4, M5, M6, M8, M10, M12, M14, M16. Fastener Type: Split Lock. Washer Type: Split Lock. SPLIT LOCK WASHER ACTIONThese lock washers are engineered to prevent loosening of nuts, bolts, and screws caused by vibration.