Raf Electronic Hardware M2104-2545-Ss
SPACER/STANDOFF, HEX, SS, 4.5MM X 9MM; Standoff Material:Stainless Steel; Thread Size - Metric:M2.5; Thread Size - Imperial:-; Standoff Type:Hex Male-Female; Body Length:9mm; Overall Length:12.97mm; External Width:4.5mm