Silicone protective boot, white, for insulating high voltages at the ends of 21mm neon tube

Silicone protective piece for containing the neon tube's high voltage where it should be. Insulat..

Silicone protective boot, clear, for insulating high voltages at the ends of 21mm neon tube

Silicone protective piece for containing the neon tube's high voltage where it should be. Insulat..