uxcell M3x10mmx4.8mm Brass Knurled Threaded Nut Insert Embedded Nuts 40pcs Thread Size: M3; Product Name: Knurled Nut Material: Brass; Weight: 30g Package Content: 40 x Knurled Nut; Main Color: Gold Tone Height: 10mm/0.4" Outter Diameter: 4.8mm/0.19"(Max.D)