uxcell 1/4 inch-20 304 Stainless Steel Hex Nut Fastener 40pcs for Screw Bolt Thread Size: 1/4"(D); Product Name: Hex Nut Material: 304 Stainless Steel; Weight: 128g Package Content: 40pcs x Hex Nut; Main Color: Silver Tone Height: 6mm/0.24"; Hex Size: 11mm/0.43"(Hex.Width) Thread Count: 20