uxcell 20 Pcs White 3/25" 3mm Female Thread Hex Nut Fastener Product Name : Hex Nut;Color : White Mateiral : Nylon;Female Thread Diameter : 3mm/ 3/25" Hex Width : 5.5mm/ 0.2";Height : 2.8mm/ 0.1" Weight : 2g Package : 20 x Hex Nut