uxcell M12x1.5mm 304 Stainless Steel Self-Locking Hex Lock Stop Nut Silver Tone 6pcs Thread Size: M12/0.47"(D); Product Name: Hex Lock Nuts Material: 304 Stainless Steel; Weight: 85g Package Content: 6pcs x Hex Lock Nuts; Main Color: Silver Tone Height: 12mm/0.47"; Hex Size: 19mm/0.75"(Hex.Width) Grade: 4.8; Pitch: 1.5mm