#4-40 TPI, 1/4" L, Nickel Plated, Brass, Square, Female/Female Threaded, Standoff Standoff Item Standoff Type Square, Female/Female Threaded Designated Size #4-40 TPI Overall Size 1/4 Inch Length Material ASTM B16 Brass Finish AMS-QQ-N-290 Rev B Nickel...