These are sold in pairs
Glow in the dark Sugar Skull design
2 "O" rings for the back
2G - 7/8"
Hold plugs up to light source to activate glow
|Size||2 gauge (6mm) , 13mm, 9/16 inch (14mm), 5/8 inch (16mm), 3/4 inch (19mm) , 7/8 inch (22mm)|