Uxcell a16033100ux0615 M10x1.25mm Zinc Plated Self Nylon Insert Hex Lock Nut 10pcs Thread size: M10/0.4"(D); product Name: hex lock nuts Material: Carbon steel(zinc plated); weight: 58G Package Content: 10Pcs x hex lock nuts; main Color: Silver tone Height: 10mm/0.4"; hex size: 14mm/0.55"(Hex. Width) Grade: 4.8; Pitch: 1.25mm