SPACER ROUND NYLON 0.25IN X 12.7MM; S; SPACER ROUND NYLON 0.25IN X 12.7MM; Standoff Material:Nylon (Polyamide); Thread Size - Metric:-; Thread Size - Imperial:4-40; Standoff Type:Round Female; Body Length:12.7mm; Product Range:Round Nylon Series; Overall Length:12.7mm