Panel and Enclosure Standoffs and Spacers: Type - Clear Hole Spacer; Shape - Round; Length - Spacer - 1.500 in. (38.10 mm); Spacer Diameter - 0.250 in. (6.35 mm); Material - Aluminum; Color-Finish - Clear Iridite; End A - Hole 0.120 in. (3.00 mm); End B - Hole 0.120 in. (3.00 mm); Material Specification - ASTM B211; Mounting Screw Size - No. 4