Features These hex nuts will be great replacement for industrial and construction fasteners,Easy to use, Suitable for novice or professional use. Hex Nut Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry,very popular. These hex nuts are made of 304 stainless steel which provides strength and offers good corrosion resistance in many environments. Hexagonal shape has 6 sides that gives a good granularity of angles for a tool to approach from. These are many common sizes that you can use for general purpose or projects,Widely use Most people's choice, saving your work time. Specification: Material: 304 stainless steel Size & Quantity: M1*0.1      20pcs M1.2*0.1   20pcs M1.4*0.1   20pcs M1.6*0.1   20pcs M2*0.1      20pcs M2.5*0.2   20pcs M3*0.2      20pcs Weight: 48g / 1.7oz (approx.) Package list: 1 box * Nuts Package List