Material: Aluminiumlegierung. Größe : M2 M2.5 M3 M4 M5 M6 M8. Steigung： 0.4mm（M2）/0.45(M2.5) /0.5mm（M3）/0.7mm（M4）/0.8mm（M5）/1mm（M6）/1.25mm（M8）. Each nut features a unique nyloc design, characterised by a nylon insert at the top, which increases friction and creates a locking action when tightened.
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