uxcell M10 x 1mm Pitch Four-Slot Retaining Slotted Round Nuts Black 10 Pcs Thread Size: M10 / 0.4''; Product Name: Slotted Round Nuts Material: Carbon Steel; Weight: 106g Package Content: 10 x Slotted Round Nuts; Main Color: Black Height: 7mm / 0.28''; Standard: GB812 Grade: 4.8; Thread Pitch: 1mm