Panel and Enclosure Standoffs and Spacers: Type - Self Retaining Spacer; Shape - Round; Length - Spacer - 0.312" (7.92 mm); Spacer Diameter - 0.250" (6.35 mm); Material - Nylon; Color-Finish - Natural; End A - Hole 0.125" (3.20 mm); End B - Hole 0.187" (4.70 mm); Material Specification - Nylon Type 6/6 UL Rated 94V-2; Mounting Screw Size - #4; Manufacturer Series - SRS