ITEM NAME:260pcs/box Black Nylon Outer Hex Screws Nuts PCB Standoff Assortment Kit #gib Store Home Promotion Hot Item Add to Fav.Quantity: 260pcs. 1 Box X Hex Screws Nuts. Nylon has the characteristics of insulativity,Non-Magnetic,thermal insulation,corrosion resistance and etc. Material: Nylon. Color: Black. Box Size: 17.5x10x2.3cm/6.89x3.94x0.91".