Uxcell a16033100ux0273 M10x1.25mm 304 Stainless Steel Self Hex Lock Stop Nut Silver Tone 4pcs Thread size: M10/0.4"(D); product Name: hex lock nuts Material: 304 stainless steel; weight: 40G Package Content: 4Pcs x hex lock nuts; main Color: Silver tone Height: 10mm/0.4"; hex size: 16mm/0.63"(Hex.Width) Grade: 4.8; Pitch: 1.25mm