SPACER/STANDOFF HEX NYLON 6.4MM X 50.8MM; Standoff Material:Nylon (Polyamide); Thread Size - Metric:-; Thread Size - Imperial:4-40; Standoff Type:Hex Male-Female; Body Length:50.8mm; Product Range:Hex Nylon Series; Spacing Height:2" ;RoHS Compliant: Yes