Check the listing for details. 8pack Indicator Light DC 24V Red Metal Shell Panel Mount 5/16" 8mm. Condition: New. Listed at 14.79 USD. Description:-These Indicators are engineered from metal shell so they would not break.-Energy saving and low maintenance cost.-Terminal mount for easy connection and strong conductivity.-FLUSH MOUNT designed. For use as brake light, speedometer, tachometer, gauge cluster, check engine indicator, high beam indicator, shifter lights and dashboard lights.-These panel mount lights are sure to give you a visual status cue of any indexing signal, anticipating signals, emergency signal and other indexing signals.-Simply drill an 8mm (5/16") hole and lock with nut and washer.-Easily installed this Indicator Light to DC 24 volt power source. Features:Model: XD8-1Rated Voltage: DC 24VLight Color: RedMounting Hole Dia.: 8mm (5/16")Overall Size: 36 x 9.5mm / 1.42" x 0.37" (Total L*Head D) Package Content:8pcs x Indicator Light.